Home / 138,937.03-208,423.21-44,133.39

Finding the Fourth Proportional to 138,937.03, 208,423.21 and 44,133.39

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Solution

The fourth proportional to 138,937.03, 208,423.21 and 44,133.39 is: 66,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,937.03 : 208,423.21 = 44,133.39 : x
  2. Step 2: Convert to fraction form
    138,937.03/208,423.21 = 44,133.39/x
  3. Step 3: Cross multiply
    138,937.03x = 208,423.21 × 44,133.39
  4. Step 4: Simplify right side
    138,937.03x = 9,198,422,701.65
  5. Step 5: Solve for x
    x = 9,198,422,701.65/138,937.03
  6. Step 6: Final answer
    x = 66,205.70

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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.