Home / 129,952.59-179,336.07-76,238.52

Finding the Fourth Proportional to 129,952.59, 179,336.07 and 76,238.52

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Solution

The fourth proportional to 129,952.59, 179,336.07 and 76,238.52 is: 105,210.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,952.59 : 179,336.07 = 76,238.52 : x
  2. Step 2: Convert to fraction form
    129,952.59/179,336.07 = 76,238.52/x
  3. Step 3: Cross multiply
    129,952.59x = 179,336.07 × 76,238.52
  4. Step 4: Simplify right side
    129,952.59x = 13,672,316,559.42
  5. Step 5: Solve for x
    x = 13,672,316,559.42/129,952.59
  6. Step 6: Final answer
    x = 105,210.04

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1.5x scale

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.