Home / 208,517.26-312,727.92-124,301.20

Finding the Fourth Proportional to 208,517.26, 312,727.92 and 124,301.20

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Solution

The fourth proportional to 208,517.26, 312,727.92 and 124,301.20 is: 186,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,517.26 : 312,727.92 = 124,301.20 : x
  2. Step 2: Convert to fraction form
    208,517.26/312,727.92 = 124,301.20/x
  3. Step 3: Cross multiply
    208,517.26x = 312,727.92 × 124,301.20
  4. Step 4: Simplify right side
    208,517.26x = 38,872,455,729.50
  5. Step 5: Solve for x
    x = 38,872,455,729.50/208,517.26
  6. Step 6: Final answer
    x = 186,423.20

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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.