Home / 99,200.40-148,685.40-40,006.80

Finding the Fourth Proportional to 99,200.40, 148,685.40 and 40,006.80

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Solution

The fourth proportional to 99,200.40, 148,685.40 and 40,006.80 is: 59,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,200.40 : 148,685.40 = 40,006.80 : x
  2. Step 2: Convert to fraction form
    99,200.40/148,685.40 = 40,006.80/x
  3. Step 3: Cross multiply
    99,200.40x = 148,685.40 × 40,006.80
  4. Step 4: Simplify right side
    99,200.40x = 5,948,427,060.72
  5. Step 5: Solve for x
    x = 5,948,427,060.72/99,200.40
  6. Step 6: Final answer
    x = 59,963.74

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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.