Home / 91,182.90-125,890.18-62,550.52

Finding the Fourth Proportional to 91,182.90, 125,890.18 and 62,550.52

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Solution

The fourth proportional to 91,182.90, 125,890.18 and 62,550.52 is: 86,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,182.90 : 125,890.18 = 62,550.52 : x
  2. Step 2: Convert to fraction form
    91,182.90/125,890.18 = 62,550.52/x
  3. Step 3: Cross multiply
    91,182.90x = 125,890.18 × 62,550.52
  4. Step 4: Simplify right side
    91,182.90x = 7,874,496,221.89
  5. Step 5: Solve for x
    x = 7,874,496,221.89/91,182.90
  6. Step 6: Final answer
    x = 86,359.35

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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.