Home / 91,234.15-125,789.25-69,750.52

Finding the Fourth Proportional to 91,234.15, 125,789.25 and 69,750.52

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Solution

The fourth proportional to 91,234.15, 125,789.25 and 69,750.52 is: 96,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,234.15 : 125,789.25 = 69,750.52 : x
  2. Step 2: Convert to fraction form
    91,234.15/125,789.25 = 69,750.52/x
  3. Step 3: Cross multiply
    91,234.15x = 125,789.25 × 69,750.52
  4. Step 4: Simplify right side
    91,234.15x = 8,773,865,545.00
  5. Step 5: Solve for x
    x = 8,773,865,545.00/91,234.15
  6. Step 6: Final answer
    x = 96,168.66

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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.