Home / 138,410.04-207,644.28-44,908.56

Finding the Fourth Proportional to 138,410.04, 207,644.28 and 44,908.56

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Solution

The fourth proportional to 138,410.04, 207,644.28 and 44,908.56 is: 67,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,410.04 : 207,644.28 = 44,908.56 : x
  2. Step 2: Convert to fraction form
    138,410.04/207,644.28 = 44,908.56/x
  3. Step 3: Cross multiply
    138,410.04x = 207,644.28 × 44,908.56
  4. Step 4: Simplify right side
    138,410.04x = 9,325,005,607.04
  5. Step 5: Solve for x
    x = 9,325,005,607.04/138,410.04
  6. Step 6: Final answer
    x = 67,372.32

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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.