Home / 187,513.42-258,769.21-101,472.40

Finding the Fourth Proportional to 187,513.42, 258,769.21 and 101,472.40

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Solution

The fourth proportional to 187,513.42, 258,769.21 and 101,472.40 is: 140,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,513.42 : 258,769.21 = 101,472.40 : x
  2. Step 2: Convert to fraction form
    187,513.42/258,769.21 = 101,472.40/x
  3. Step 3: Cross multiply
    187,513.42x = 258,769.21 × 101,472.40
  4. Step 4: Simplify right side
    187,513.42x = 26,257,932,784.80
  5. Step 5: Solve for x
    x = 26,257,932,784.80/187,513.42
  6. Step 6: Final answer
    x = 140,032.29

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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.