Home / 187,555.28-258,826.72-102,677.80

Finding the Fourth Proportional to 187,555.28, 258,826.72 and 102,677.80

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Solution

The fourth proportional to 187,555.28, 258,826.72 and 102,677.80 is: 141,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,555.28 : 258,826.72 = 102,677.80 : x
  2. Step 2: Convert to fraction form
    187,555.28/258,826.72 = 102,677.80/x
  3. Step 3: Cross multiply
    187,555.28x = 258,826.72 × 102,677.80
  4. Step 4: Simplify right side
    187,555.28x = 26,575,758,190.82
  5. Step 5: Solve for x
    x = 26,575,758,190.82/187,555.28
  6. Step 6: Final answer
    x = 141,695.60

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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.