Home / 129,973.79-195,032.77-63,414.47

Finding the Fourth Proportional to 129,973.79, 195,032.77 and 63,414.47

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Solution

The fourth proportional to 129,973.79, 195,032.77 and 63,414.47 is: 95,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,973.79 : 195,032.77 = 63,414.47 : x
  2. Step 2: Convert to fraction form
    129,973.79/195,032.77 = 63,414.47/x
  3. Step 3: Cross multiply
    129,973.79x = 195,032.77 × 63,414.47
  4. Step 4: Simplify right side
    129,973.79x = 12,367,899,742.18
  5. Step 5: Solve for x
    x = 12,367,899,742.18/129,973.79
  6. Step 6: Final answer
    x = 95,156.88

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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.