Home / 187,370.19-281,165.24-69,123.96

Finding the Fourth Proportional to 187,370.19, 281,165.24 and 69,123.96

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Solution

The fourth proportional to 187,370.19, 281,165.24 and 69,123.96 is: 103,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,370.19 : 281,165.24 = 69,123.96 : x
  2. Step 2: Convert to fraction form
    187,370.19/281,165.24 = 69,123.96/x
  3. Step 3: Cross multiply
    187,370.19x = 281,165.24 × 69,123.96
  4. Step 4: Simplify right side
    187,370.19x = 19,435,254,975.96
  5. Step 5: Solve for x
    x = 19,435,254,975.96/187,370.19
  6. Step 6: Final answer
    x = 103,726.51

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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.