Home / 126,121.98-174,049.62-69,535.38

Finding the Fourth Proportional to 126,121.98, 174,049.62 and 69,535.38

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Solution

The fourth proportional to 126,121.98, 174,049.62 and 69,535.38 is: 95,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,121.98 : 174,049.62 = 69,535.38 : x
  2. Step 2: Convert to fraction form
    126,121.98/174,049.62 = 69,535.38/x
  3. Step 3: Cross multiply
    126,121.98x = 174,049.62 × 69,535.38
  4. Step 4: Simplify right side
    126,121.98x = 12,102,606,465.56
  5. Step 5: Solve for x
    x = 12,102,606,465.56/126,121.98
  6. Step 6: Final answer
    x = 95,959.53

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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.