Home / 88,431.40-132,647.10-60,437.80

Finding the Fourth Proportional to 88,431.40, 132,647.10 and 60,437.80

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Solution

The fourth proportional to 88,431.40, 132,647.10 and 60,437.80 is: 90,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,431.40 : 132,647.10 = 60,437.80 : x
  2. Step 2: Convert to fraction form
    88,431.40/132,647.10 = 60,437.80/x
  3. Step 3: Cross multiply
    88,431.40x = 132,647.10 × 60,437.80
  4. Step 4: Simplify right side
    88,431.40x = 8,016,898,900.38
  5. Step 5: Solve for x
    x = 8,016,898,900.38/88,431.40
  6. Step 6: Final answer
    x = 90,656.70

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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.