Home / 174,960,107.20-262,440,160.80-172,409,190.40

Finding the Fourth Proportional to 174,960,107.20, 262,440,160.80 and 172,409,190.40

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Solution

The fourth proportional to 174,960,107.20, 262,440,160.80 and 172,409,190.40 is: 258,613,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,960,107.20 : 262,440,160.80 = 172,409,190.40 : x
  2. Step 2: Convert to fraction form
    174,960,107.20/262,440,160.80 = 172,409,190.40/x
  3. Step 3: Cross multiply
    174,960,107.20x = 262,440,160.80 × 172,409,190.40
  4. Step 4: Simplify right side
    174,960,107.20x = 45,247,095,651,973,816
  5. Step 5: Solve for x
    x = 45,247,095,651,973,816/174,960,107.20
  6. Step 6: Final answer
    x = 258,613,785.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.