Home / 91,777.15-137,572.71-62,197.98

Finding the Fourth Proportional to 91,777.15, 137,572.71 and 62,197.98

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Solution

The fourth proportional to 91,777.15, 137,572.71 and 62,197.98 is: 93,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,777.15 : 137,572.71 = 62,197.98 : x
  2. Step 2: Convert to fraction form
    91,777.15/137,572.71 = 62,197.98/x
  3. Step 3: Cross multiply
    91,777.15x = 137,572.71 × 62,197.98
  4. Step 4: Simplify right side
    91,777.15x = 8,556,744,665.13
  5. Step 5: Solve for x
    x = 8,556,744,665.13/91,777.15
  6. Step 6: Final answer
    x = 93,233.93

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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.