Home / 140,318.88-193,582.71-103,613.04

Finding the Fourth Proportional to 140,318.88, 193,582.71 and 103,613.04

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Solution

The fourth proportional to 140,318.88, 193,582.71 and 103,613.04 is: 142,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,318.88 : 193,582.71 = 103,613.04 : x
  2. Step 2: Convert to fraction form
    140,318.88/193,582.71 = 103,613.04/x
  3. Step 3: Cross multiply
    140,318.88x = 193,582.71 × 103,613.04
  4. Step 4: Simplify right side
    140,318.88x = 20,057,693,074.54
  5. Step 5: Solve for x
    x = 20,057,693,074.54/140,318.88
  6. Step 6: Final answer
    x = 142,943.65

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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.