Home / 88,660.30-132,990.45-60,666.70

Finding the Fourth Proportional to 88,660.30, 132,990.45 and 60,666.70

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Solution

The fourth proportional to 88,660.30, 132,990.45 and 60,666.70 is: 91,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,660.30 : 132,990.45 = 60,666.70 : x
  2. Step 2: Convert to fraction form
    88,660.30/132,990.45 = 60,666.70/x
  3. Step 3: Cross multiply
    88,660.30x = 132,990.45 × 60,666.70
  4. Step 4: Simplify right side
    88,660.30x = 8,068,091,733.02
  5. Step 5: Solve for x
    x = 8,068,091,733.02/88,660.30
  6. Step 6: Final answer
    x = 91,000.05

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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.