Home / 121,412.20-182,118.30-88,364.20

Finding the Fourth Proportional to 121,412.20, 182,118.30 and 88,364.20

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Solution

The fourth proportional to 121,412.20, 182,118.30 and 88,364.20 is: 132,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,412.20 : 182,118.30 = 88,364.20 : x
  2. Step 2: Convert to fraction form
    121,412.20/182,118.30 = 88,364.20/x
  3. Step 3: Cross multiply
    121,412.20x = 182,118.30 × 88,364.20
  4. Step 4: Simplify right side
    121,412.20x = 16,092,737,884.86
  5. Step 5: Solve for x
    x = 16,092,737,884.86/121,412.20
  6. Step 6: Final answer
    x = 132,546.30

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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.