Home / 102,230.19-141,067.76-75,387.15

Finding the Fourth Proportional to 102,230.19, 141,067.76 and 75,387.15

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Solution

The fourth proportional to 102,230.19, 141,067.76 and 75,387.15 is: 104,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,230.19 : 141,067.76 = 75,387.15 : x
  2. Step 2: Convert to fraction form
    102,230.19/141,067.76 = 75,387.15/x
  3. Step 3: Cross multiply
    102,230.19x = 141,067.76 × 75,387.15
  4. Step 4: Simplify right side
    102,230.19x = 10,634,695,866.41
  5. Step 5: Solve for x
    x = 10,634,695,866.41/102,230.19
  6. Step 6: Final answer
    x = 104,026.96

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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.