Home / 105,397.20-145,451.88-60,082.02

Finding the Fourth Proportional to 105,397.20, 145,451.88 and 60,082.02

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Solution

The fourth proportional to 105,397.20, 145,451.88 and 60,082.02 is: 82,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,397.20 : 145,451.88 = 60,082.02 : x
  2. Step 2: Convert to fraction form
    105,397.20/145,451.88 = 60,082.02/x
  3. Step 3: Cross multiply
    105,397.20x = 145,451.88 × 60,082.02
  4. Step 4: Simplify right side
    105,397.20x = 8,739,042,763.20
  5. Step 5: Solve for x
    x = 8,739,042,763.20/105,397.20
  6. Step 6: Final answer
    x = 82,915.32

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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.