Home / 91,869.30-137,803.95-29,546.10

Finding the Fourth Proportional to 91,869.30, 137,803.95 and 29,546.10

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Solution

The fourth proportional to 91,869.30, 137,803.95 and 29,546.10 is: 44,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,869.30 : 137,803.95 = 29,546.10 : x
  2. Step 2: Convert to fraction form
    91,869.30/137,803.95 = 29,546.10/x
  3. Step 3: Cross multiply
    91,869.30x = 137,803.95 × 29,546.10
  4. Step 4: Simplify right side
    91,869.30x = 4,071,569,287.10
  5. Step 5: Solve for x
    x = 4,071,569,287.10/91,869.30
  6. Step 6: Final answer
    x = 44,319.15

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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.