Home / 124,928.10-187,478.55-89,892.90

Finding the Fourth Proportional to 124,928.10, 187,478.55 and 89,892.90

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Solution

The fourth proportional to 124,928.10, 187,478.55 and 89,892.90 is: 134,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,928.10 : 187,478.55 = 89,892.90 : x
  2. Step 2: Convert to fraction form
    124,928.10/187,478.55 = 89,892.90/x
  3. Step 3: Cross multiply
    124,928.10x = 187,478.55 × 89,892.90
  4. Step 4: Simplify right side
    124,928.10x = 16,852,990,547.30
  5. Step 5: Solve for x
    x = 16,852,990,547.30/124,928.10
  6. Step 6: Final answer
    x = 134,901.52

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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.