Home / 262,021.96-393,033.12-112,165.03

Finding the Fourth Proportional to 262,021.96, 393,033.12 and 112,165.03

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Solution

The fourth proportional to 262,021.96, 393,033.12 and 112,165.03 is: 168,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,021.96 : 393,033.12 = 112,165.03 : x
  2. Step 2: Convert to fraction form
    262,021.96/393,033.12 = 112,165.03/x
  3. Step 3: Cross multiply
    262,021.96x = 393,033.12 × 112,165.03
  4. Step 4: Simplify right side
    262,021.96x = 44,084,571,695.79
  5. Step 5: Solve for x
    x = 44,084,571,695.79/262,021.96
  6. Step 6: Final answer
    x = 168,247.62

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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.