Home / 129,385.65-193,914.91-58,232.52

Finding the Fourth Proportional to 129,385.65, 193,914.91 and 58,232.52

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Solution

The fourth proportional to 129,385.65, 193,914.91 and 58,232.52 is: 87,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,385.65 : 193,914.91 = 58,232.52 : x
  2. Step 2: Convert to fraction form
    129,385.65/193,914.91 = 58,232.52/x
  3. Step 3: Cross multiply
    129,385.65x = 193,914.91 × 58,232.52
  4. Step 4: Simplify right side
    129,385.65x = 11,292,153,947.66
  5. Step 5: Solve for x
    x = 11,292,153,947.66/129,385.65
  6. Step 6: Final answer
    x = 87,275.16

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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.