Home / 138,148.50-207,256.78-44,654.26

Finding the Fourth Proportional to 138,148.50, 207,256.78 and 44,654.26

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Solution

The fourth proportional to 138,148.50, 207,256.78 and 44,654.26 is: 66,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,148.50 : 207,256.78 = 44,654.26 : x
  2. Step 2: Convert to fraction form
    138,148.50/207,256.78 = 44,654.26/x
  3. Step 3: Cross multiply
    138,148.50x = 207,256.78 × 44,654.26
  4. Step 4: Simplify right side
    138,148.50x = 9,254,898,140.88
  5. Step 5: Solve for x
    x = 9,254,898,140.88/138,148.50
  6. Step 6: Final answer
    x = 66,992.39

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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.