Home / 137,547.24-206,379.20-75,144.84

Finding the Fourth Proportional to 137,547.24, 206,379.20 and 75,144.84

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Solution

The fourth proportional to 137,547.24, 206,379.20 and 75,144.84 is: 112,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,547.24 : 206,379.20 = 75,144.84 : x
  2. Step 2: Convert to fraction form
    137,547.24/206,379.20 = 75,144.84/x
  3. Step 3: Cross multiply
    137,547.24x = 206,379.20 × 75,144.84
  4. Step 4: Simplify right side
    137,547.24x = 15,508,331,963.33
  5. Step 5: Solve for x
    x = 15,508,331,963.33/137,547.24
  6. Step 6: Final answer
    x = 112,749.13

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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.