Home / 91,943.98-137,652.82-62,309.12

Finding the Fourth Proportional to 91,943.98, 137,652.82 and 62,309.12

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Solution

The fourth proportional to 91,943.98, 137,652.82 and 62,309.12 is: 93,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,943.98 : 137,652.82 = 62,309.12 : x
  2. Step 2: Convert to fraction form
    91,943.98/137,652.82 = 62,309.12/x
  3. Step 3: Cross multiply
    91,943.98x = 137,652.82 × 62,309.12
  4. Step 4: Simplify right side
    91,943.98x = 8,577,025,235.68
  5. Step 5: Solve for x
    x = 8,577,025,235.68/91,943.98
  6. Step 6: Final answer
    x = 93,285.34

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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.