Home / 187,513.48-258,769.29-101,472.45

Finding the Fourth Proportional to 187,513.48, 258,769.29 and 101,472.45

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Solution

The fourth proportional to 187,513.48, 258,769.29 and 101,472.45 is: 140,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,513.48 : 258,769.29 = 101,472.45 : x
  2. Step 2: Convert to fraction form
    187,513.48/258,769.29 = 101,472.45/x
  3. Step 3: Cross multiply
    187,513.48x = 258,769.29 × 101,472.45
  4. Step 4: Simplify right side
    187,513.48x = 26,257,953,841.06
  5. Step 5: Solve for x
    x = 26,257,953,841.06/187,513.48
  6. Step 6: Final answer
    x = 140,032.35

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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.