Home / 132,780.06-199,170.09-93,660.10

Finding the Fourth Proportional to 132,780.06, 199,170.09 and 93,660.10

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Solution

The fourth proportional to 132,780.06, 199,170.09 and 93,660.10 is: 140,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,780.06 : 199,170.09 = 93,660.10 : x
  2. Step 2: Convert to fraction form
    132,780.06/199,170.09 = 93,660.10/x
  3. Step 3: Cross multiply
    132,780.06x = 199,170.09 × 93,660.10
  4. Step 4: Simplify right side
    132,780.06x = 18,654,290,048.48
  5. Step 5: Solve for x
    x = 18,654,290,048.48/132,780.06
  6. Step 6: Final answer
    x = 140,490.15

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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.