Home / 129,753.42-179,059.86-76,027.74

Finding the Fourth Proportional to 129,753.42, 179,059.86 and 76,027.74

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Solution

The fourth proportional to 129,753.42, 179,059.86 and 76,027.74 is: 104,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,753.42 : 179,059.86 = 76,027.74 : x
  2. Step 2: Convert to fraction form
    129,753.42/179,059.86 = 76,027.74/x
  3. Step 3: Cross multiply
    129,753.42x = 179,059.86 × 76,027.74
  4. Step 4: Simplify right side
    129,753.42x = 13,613,516,480.52
  5. Step 5: Solve for x
    x = 13,613,516,480.52/129,753.42
  6. Step 6: Final answer
    x = 104,918.36

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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.