Home / 102,690.68-141,714.22-60,249.92

Finding the Fourth Proportional to 102,690.68, 141,714.22 and 60,249.92

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Solution

The fourth proportional to 102,690.68, 141,714.22 and 60,249.92 is: 83,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,690.68 : 141,714.22 = 60,249.92 : x
  2. Step 2: Convert to fraction form
    102,690.68/141,714.22 = 60,249.92/x
  3. Step 3: Cross multiply
    102,690.68x = 141,714.22 × 60,249.92
  4. Step 4: Simplify right side
    102,690.68x = 8,538,270,417.86
  5. Step 5: Solve for x
    x = 8,538,270,417.86/102,690.68
  6. Step 6: Final answer
    x = 83,145.52

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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.