Home / 102,690.05-141,713.35-60,249.29

Finding the Fourth Proportional to 102,690.05, 141,713.35 and 60,249.29

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Solution

The fourth proportional to 102,690.05, 141,713.35 and 60,249.29 is: 83,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,690.05 : 141,713.35 = 60,249.29 : x
  2. Step 2: Convert to fraction form
    102,690.05/141,713.35 = 60,249.29/x
  3. Step 3: Cross multiply
    102,690.05x = 141,713.35 × 60,249.29
  4. Step 4: Simplify right side
    102,690.05x = 8,538,127,861.83
  5. Step 5: Solve for x
    x = 8,538,127,861.83/102,690.05
  6. Step 6: Final answer
    x = 83,144.65

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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.