Home / 137,431.04-206,175.98-42,659.14

Finding the Fourth Proportional to 137,431.04, 206,175.98 and 42,659.14

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Solution

The fourth proportional to 137,431.04, 206,175.98 and 42,659.14 is: 63,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,431.04 : 206,175.98 = 42,659.14 : x
  2. Step 2: Convert to fraction form
    137,431.04/206,175.98 = 42,659.14/x
  3. Step 3: Cross multiply
    137,431.04x = 206,175.98 × 42,659.14
  4. Step 4: Simplify right side
    137,431.04x = 8,795,289,995.46
  5. Step 5: Solve for x
    x = 8,795,289,995.46/137,431.04
  6. Step 6: Final answer
    x = 63,997.84

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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.