Home / 187,142.72-258,275.97-110,686.56

Finding the Fourth Proportional to 187,142.72, 258,275.97 and 110,686.56

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Solution

The fourth proportional to 187,142.72, 258,275.97 and 110,686.56 is: 152,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,142.72 : 258,275.97 = 110,686.56 : x
  2. Step 2: Convert to fraction form
    187,142.72/258,275.97 = 110,686.56/x
  3. Step 3: Cross multiply
    187,142.72x = 258,275.97 × 110,686.56
  4. Step 4: Simplify right side
    187,142.72x = 28,587,678,373.25
  5. Step 5: Solve for x
    x = 28,587,678,373.25/187,142.72
  6. Step 6: Final answer
    x = 152,758.70

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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.