Home / 108,375.78-149,565.90-60,633.60

Finding the Fourth Proportional to 108,375.78, 149,565.90 and 60,633.60

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Solution

The fourth proportional to 108,375.78, 149,565.90 and 60,633.60 is: 83,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,375.78 : 149,565.90 = 60,633.60 : x
  2. Step 2: Convert to fraction form
    108,375.78/149,565.90 = 60,633.60/x
  3. Step 3: Cross multiply
    108,375.78x = 149,565.90 × 60,633.60
  4. Step 4: Simplify right side
    108,375.78x = 9,068,718,954.24
  5. Step 5: Solve for x
    x = 9,068,718,954.24/108,375.78
  6. Step 6: Final answer
    x = 83,678.47

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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.