Home / 132,001.20-197,886.60-79,354.80

Finding the Fourth Proportional to 132,001.20, 197,886.60 and 79,354.80

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Solution

The fourth proportional to 132,001.20, 197,886.60 and 79,354.80 is: 118,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,001.20 : 197,886.60 = 79,354.80 : x
  2. Step 2: Convert to fraction form
    132,001.20/197,886.60 = 79,354.80/x
  3. Step 3: Cross multiply
    132,001.20x = 197,886.60 × 79,354.80
  4. Step 4: Simplify right side
    132,001.20x = 15,703,251,565.68
  5. Step 5: Solve for x
    x = 15,703,251,565.68/132,001.20
  6. Step 6: Final answer
    x = 118,962.95

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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.