Home / 156,470.24-215,900.06-91,950

Finding the Fourth Proportional to 156,470.24, 215,900.06 and 91,950

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Solution

The fourth proportional to 156,470.24, 215,900.06 and 91,950 is: 126,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,470.24 : 215,900.06 = 91,950 : x
  2. Step 2: Convert to fraction form
    156,470.24/215,900.06 = 91,950/x
  3. Step 3: Cross multiply
    156,470.24x = 215,900.06 × 91,950
  4. Step 4: Simplify right side
    156,470.24x = 19,852,010,057.25
  5. Step 5: Solve for x
    x = 19,852,010,057.25/156,470.24
  6. Step 6: Final answer
    x = 126,874.03

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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.