Home / 136,962.06-205,073.91-89,459.52

Finding the Fourth Proportional to 136,962.06, 205,073.91 and 89,459.52

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Solution

The fourth proportional to 136,962.06, 205,073.91 and 89,459.52 is: 133,948.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,962.06 : 205,073.91 = 89,459.52 : x
  2. Step 2: Convert to fraction form
    136,962.06/205,073.91 = 89,459.52/x
  3. Step 3: Cross multiply
    136,962.06x = 205,073.91 × 89,459.52
  4. Step 4: Simplify right side
    136,962.06x = 18,345,813,553.12
  5. Step 5: Solve for x
    x = 18,345,813,553.12/136,962.06
  6. Step 6: Final answer
    x = 133,948.14

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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.