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Finding the Fourth Proportional to 187,513.93, 258,769.90 and 101,472.90

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Solution

The fourth proportional to 187,513.93, 258,769.90 and 101,472.90 is: 140,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,513.93 : 258,769.90 = 101,472.90 : x
  2. Step 2: Convert to fraction form
    187,513.93/258,769.90 = 101,472.90/x
  3. Step 3: Cross multiply
    187,513.93x = 258,769.90 × 101,472.90
  4. Step 4: Simplify right side
    187,513.93x = 26,258,132,185.71
  5. Step 5: Solve for x
    x = 26,258,132,185.71/187,513.93
  6. Step 6: Final answer
    x = 140,032.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.