Home / 187,346.18-281,111.52-87,491.87

Finding the Fourth Proportional to 187,346.18, 281,111.52 and 87,491.87

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Solution

The fourth proportional to 187,346.18, 281,111.52 and 87,491.87 is: 131,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,346.18 : 281,111.52 = 87,491.87 : x
  2. Step 2: Convert to fraction form
    187,346.18/281,111.52 = 87,491.87/x
  3. Step 3: Cross multiply
    187,346.18x = 281,111.52 × 87,491.87
  4. Step 4: Simplify right side
    187,346.18x = 24,594,972,563.34
  5. Step 5: Solve for x
    x = 24,594,972,563.34/187,346.18
  6. Step 6: Final answer
    x = 131,280.89

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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.