Home / 172,335.36-258,641.28-89,253.12

Finding the Fourth Proportional to 172,335.36, 258,641.28 and 89,253.12

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Solution

The fourth proportional to 172,335.36, 258,641.28 and 89,253.12 is: 133,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,335.36 : 258,641.28 = 89,253.12 : x
  2. Step 2: Convert to fraction form
    172,335.36/258,641.28 = 89,253.12/x
  3. Step 3: Cross multiply
    172,335.36x = 258,641.28 × 89,253.12
  4. Step 4: Simplify right side
    172,335.36x = 23,084,541,200.79
  5. Step 5: Solve for x
    x = 23,084,541,200.79/172,335.36
  6. Step 6: Final answer
    x = 133,951.28

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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.