Home / 250,951.11-346,313.12-137,781.15

Finding the Fourth Proportional to 250,951.11, 346,313.12 and 137,781.15

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Solution

The fourth proportional to 250,951.11, 346,313.12 and 137,781.15 is: 190,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,951.11 : 346,313.12 = 137,781.15 : x
  2. Step 2: Convert to fraction form
    250,951.11/346,313.12 = 137,781.15/x
  3. Step 3: Cross multiply
    250,951.11x = 346,313.12 × 137,781.15
  4. Step 4: Simplify right side
    250,951.11x = 47,715,419,244.78
  5. Step 5: Solve for x
    x = 47,715,419,244.78/250,951.11
  6. Step 6: Final answer
    x = 190,138.31

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1.5x scale

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.