Home / 137,479.04-206,236-48,715.20

Finding the Fourth Proportional to 137,479.04, 206,236 and 48,715.20

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Solution

The fourth proportional to 137,479.04, 206,236 and 48,715.20 is: 73,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,479.04 : 206,236 = 48,715.20 : x
  2. Step 2: Convert to fraction form
    137,479.04/206,236 = 48,715.20/x
  3. Step 3: Cross multiply
    137,479.04x = 206,236 × 48,715.20
  4. Step 4: Simplify right side
    137,479.04x = 10,046,827,987.20
  5. Step 5: Solve for x
    x = 10,046,827,987.20/137,479.04
  6. Step 6: Final answer
    x = 73,078.98

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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.