Home / 102,760.68-141,731.82-88,444.20

Finding the Fourth Proportional to 102,760.68, 141,731.82 and 88,444.20

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Solution

The fourth proportional to 102,760.68, 141,731.82 and 88,444.20 is: 121,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,760.68 : 141,731.82 = 88,444.20 : x
  2. Step 2: Convert to fraction form
    102,760.68/141,731.82 = 88,444.20/x
  3. Step 3: Cross multiply
    102,760.68x = 141,731.82 × 88,444.20
  4. Step 4: Simplify right side
    102,760.68x = 12,535,357,434.44
  5. Step 5: Solve for x
    x = 12,535,357,434.44/102,760.68
  6. Step 6: Final answer
    x = 121,985.93

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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.