Home / 159,634.44-220,315.46-91,672.65

Finding the Fourth Proportional to 159,634.44, 220,315.46 and 91,672.65

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Solution

The fourth proportional to 159,634.44, 220,315.46 and 91,672.65 is: 126,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,634.44 : 220,315.46 = 91,672.65 : x
  2. Step 2: Convert to fraction form
    159,634.44/220,315.46 = 91,672.65/x
  3. Step 3: Cross multiply
    159,634.44x = 220,315.46 × 91,672.65
  4. Step 4: Simplify right side
    159,634.44x = 20,196,901,595.81
  5. Step 5: Solve for x
    x = 20,196,901,595.81/159,634.44
  6. Step 6: Final answer
    x = 126,519.70

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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.