Home / 250,502.90-345,707.25-137,330.42

Finding the Fourth Proportional to 250,502.90, 345,707.25 and 137,330.42

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Solution

The fourth proportional to 250,502.90, 345,707.25 and 137,330.42 is: 189,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,502.90 : 345,707.25 = 137,330.42 : x
  2. Step 2: Convert to fraction form
    250,502.90/345,707.25 = 137,330.42/x
  3. Step 3: Cross multiply
    250,502.90x = 345,707.25 × 137,330.42
  4. Step 4: Simplify right side
    250,502.90x = 47,476,121,839.55
  5. Step 5: Solve for x
    x = 47,476,121,839.55/250,502.90
  6. Step 6: Final answer
    x = 189,523.24

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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.