Home / 121,498.96-182,249.68-42,615.12

Finding the Fourth Proportional to 121,498.96, 182,249.68 and 42,615.12

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Solution

The fourth proportional to 121,498.96, 182,249.68 and 42,615.12 is: 63,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,498.96 : 182,249.68 = 42,615.12 : x
  2. Step 2: Convert to fraction form
    121,498.96/182,249.68 = 42,615.12/x
  3. Step 3: Cross multiply
    121,498.96x = 182,249.68 × 42,615.12
  4. Step 4: Simplify right side
    121,498.96x = 7,766,591,983.16
  5. Step 5: Solve for x
    x = 7,766,591,983.16/121,498.96
  6. Step 6: Final answer
    x = 63,923.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.