Home / 137,388.16-206,099.52-48,620.80

Finding the Fourth Proportional to 137,388.16, 206,099.52 and 48,620.80

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Solution

The fourth proportional to 137,388.16, 206,099.52 and 48,620.80 is: 72,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,388.16 : 206,099.52 = 48,620.80 : x
  2. Step 2: Convert to fraction form
    137,388.16/206,099.52 = 48,620.80/x
  3. Step 3: Cross multiply
    137,388.16x = 206,099.52 × 48,620.80
  4. Step 4: Simplify right side
    137,388.16x = 10,020,723,542.02
  5. Step 5: Solve for x
    x = 10,020,723,542.02/137,388.16
  6. Step 6: Final answer
    x = 72,937.32

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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.