Home / 245,139.96-338,294.46-137,714.52

Finding the Fourth Proportional to 245,139.96, 338,294.46 and 137,714.52

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Solution

The fourth proportional to 245,139.96, 338,294.46 and 137,714.52 is: 190,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,139.96 : 338,294.46 = 137,714.52 : x
  2. Step 2: Convert to fraction form
    245,139.96/338,294.46 = 137,714.52/x
  3. Step 3: Cross multiply
    245,139.96x = 338,294.46 × 137,714.52
  4. Step 4: Simplify right side
    245,139.96x = 46,588,059,177.56
  5. Step 5: Solve for x
    x = 46,588,059,177.56/245,139.96
  6. Step 6: Final answer
    x = 190,046.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.