Home / 250,088.38-345,121.97-136,911.13

Finding the Fourth Proportional to 250,088.38, 345,121.97 and 136,911.13

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Solution

The fourth proportional to 250,088.38, 345,121.97 and 136,911.13 is: 188,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,088.38 : 345,121.97 = 136,911.13 : x
  2. Step 2: Convert to fraction form
    250,088.38/345,121.97 = 136,911.13/x
  3. Step 3: Cross multiply
    250,088.38x = 345,121.97 × 136,911.13
  4. Step 4: Simplify right side
    250,088.38x = 47,251,037,353.17
  5. Step 5: Solve for x
    x = 47,251,037,353.17/250,088.38
  6. Step 6: Final answer
    x = 188,937.36

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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.