Home / 156,351.09-215,775.29-95,121.17

Finding the Fourth Proportional to 156,351.09, 215,775.29 and 95,121.17

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Solution

The fourth proportional to 156,351.09, 215,775.29 and 95,121.17 is: 131,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,351.09 : 215,775.29 = 95,121.17 : x
  2. Step 2: Convert to fraction form
    156,351.09/215,775.29 = 95,121.17/x
  3. Step 3: Cross multiply
    156,351.09x = 215,775.29 × 95,121.17
  4. Step 4: Simplify right side
    156,351.09x = 20,524,798,009.97
  5. Step 5: Solve for x
    x = 20,524,798,009.97/156,351.09
  6. Step 6: Final answer
    x = 131,273.77

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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.