Home / 112,990.28-155,929.48-62,005.20

Finding the Fourth Proportional to 112,990.28, 155,929.48 and 62,005.20

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Solution

The fourth proportional to 112,990.28, 155,929.48 and 62,005.20 is: 85,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,990.28 : 155,929.48 = 62,005.20 : x
  2. Step 2: Convert to fraction form
    112,990.28/155,929.48 = 62,005.20/x
  3. Step 3: Cross multiply
    112,990.28x = 155,929.48 × 62,005.20
  4. Step 4: Simplify right side
    112,990.28x = 9,668,438,593.30
  5. Step 5: Solve for x
    x = 9,668,438,593.30/112,990.28
  6. Step 6: Final answer
    x = 85,568.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.