Home / 187,513.85-258,769.80-101,472.83

Finding the Fourth Proportional to 187,513.85, 258,769.80 and 101,472.83

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Solution

The fourth proportional to 187,513.85, 258,769.80 and 101,472.83 is: 140,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,513.85 : 258,769.80 = 101,472.83 : x
  2. Step 2: Convert to fraction form
    187,513.85/258,769.80 = 101,472.83/x
  3. Step 3: Cross multiply
    187,513.85x = 258,769.80 × 101,472.83
  4. Step 4: Simplify right side
    187,513.85x = 26,258,102,630.69
  5. Step 5: Solve for x
    x = 26,258,102,630.69/187,513.85
  6. Step 6: Final answer
    x = 140,032.87

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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.