Home / 102,450.97-153,639.51-43,291.23

Finding the Fourth Proportional to 102,450.97, 153,639.51 and 43,291.23

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Solution

The fourth proportional to 102,450.97, 153,639.51 and 43,291.23 is: 64,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,450.97 : 153,639.51 = 43,291.23 : x
  2. Step 2: Convert to fraction form
    102,450.97/153,639.51 = 43,291.23/x
  3. Step 3: Cross multiply
    102,450.97x = 153,639.51 × 43,291.23
  4. Step 4: Simplify right side
    102,450.97x = 6,651,243,364.50
  5. Step 5: Solve for x
    x = 6,651,243,364.50/102,450.97
  6. Step 6: Final answer
    x = 64,921.23

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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.