Home / 187,073.28-258,156.96-102,190.72

Finding the Fourth Proportional to 187,073.28, 258,156.96 and 102,190.72

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Solution

The fourth proportional to 187,073.28, 258,156.96 and 102,190.72 is: 141,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,073.28 : 258,156.96 = 102,190.72 : x
  2. Step 2: Convert to fraction form
    187,073.28/258,156.96 = 102,190.72/x
  3. Step 3: Cross multiply
    187,073.28x = 258,156.96 × 102,190.72
  4. Step 4: Simplify right side
    187,073.28x = 26,381,245,615.41
  5. Step 5: Solve for x
    x = 26,381,245,615.41/187,073.28
  6. Step 6: Final answer
    x = 141,020.92

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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.