Home / 137,432.40-206,178.03-42,660.60

Finding the Fourth Proportional to 137,432.40, 206,178.03 and 42,660.60

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Solution

The fourth proportional to 137,432.40, 206,178.03 and 42,660.60 is: 64,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,432.40 : 206,178.03 = 42,660.60 : x
  2. Step 2: Convert to fraction form
    137,432.40/206,178.03 = 42,660.60/x
  3. Step 3: Cross multiply
    137,432.40x = 206,178.03 × 42,660.60
  4. Step 4: Simplify right side
    137,432.40x = 8,795,678,466.62
  5. Step 5: Solve for x
    x = 8,795,678,466.62/137,432.40
  6. Step 6: Final answer
    x = 64,000.04

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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.