Home / 138,868.77-208,301.61-44,096.40

Finding the Fourth Proportional to 138,868.77, 208,301.61 and 44,096.40

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Solution

The fourth proportional to 138,868.77, 208,301.61 and 44,096.40 is: 66,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,868.77 : 208,301.61 = 44,096.40 : x
  2. Step 2: Convert to fraction form
    138,868.77/208,301.61 = 44,096.40/x
  3. Step 3: Cross multiply
    138,868.77x = 208,301.61 × 44,096.40
  4. Step 4: Simplify right side
    138,868.77x = 9,185,351,115.20
  5. Step 5: Solve for x
    x = 9,185,351,115.20/138,868.77
  6. Step 6: Final answer
    x = 66,144.11

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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.