Home / 187,726.43-281,587.07-45,572.79

Finding the Fourth Proportional to 187,726.43, 281,587.07 and 45,572.79

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Solution

The fourth proportional to 187,726.43, 281,587.07 and 45,572.79 is: 68,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,726.43 : 281,587.07 = 45,572.79 : x
  2. Step 2: Convert to fraction form
    187,726.43/281,587.07 = 45,572.79/x
  3. Step 3: Cross multiply
    187,726.43x = 281,587.07 × 45,572.79
  4. Step 4: Simplify right side
    187,726.43x = 12,832,708,407.83
  5. Step 5: Solve for x
    x = 12,832,708,407.83/187,726.43
  6. Step 6: Final answer
    x = 68,358.56

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1.5x scale

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.