Home / 245,042.48-338,176.62-137,618.87

Finding the Fourth Proportional to 245,042.48, 338,176.62 and 137,618.87

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Solution

The fourth proportional to 245,042.48, 338,176.62 and 137,618.87 is: 189,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,042.48 : 338,176.62 = 137,618.87 : x
  2. Step 2: Convert to fraction form
    245,042.48/338,176.62 = 137,618.87/x
  3. Step 3: Cross multiply
    245,042.48x = 338,176.62 × 137,618.87
  4. Step 4: Simplify right side
    245,042.48x = 46,539,482,613.94
  5. Step 5: Solve for x
    x = 46,539,482,613.94/245,042.48
  6. Step 6: Final answer
    x = 189,924.14

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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.