Home / 187,601.31-281,299.90-67,641.93

Finding the Fourth Proportional to 187,601.31, 281,299.90 and 67,641.93

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Solution

The fourth proportional to 187,601.31, 281,299.90 and 67,641.93 is: 101,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,601.31 : 281,299.90 = 67,641.93 : x
  2. Step 2: Convert to fraction form
    187,601.31/281,299.90 = 67,641.93/x
  3. Step 3: Cross multiply
    187,601.31x = 281,299.90 × 67,641.93
  4. Step 4: Simplify right side
    187,601.31x = 19,027,668,144.81
  5. Step 5: Solve for x
    x = 19,027,668,144.81/187,601.31
  6. Step 6: Final answer
    x = 101,426.09

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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.