Home / 135,275.48-202,947.82-79,162.84

Finding the Fourth Proportional to 135,275.48, 202,947.82 and 79,162.84

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Solution

The fourth proportional to 135,275.48, 202,947.82 and 79,162.84 is: 118,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,275.48 : 202,947.82 = 79,162.84 : x
  2. Step 2: Convert to fraction form
    135,275.48/202,947.82 = 79,162.84/x
  3. Step 3: Cross multiply
    135,275.48x = 202,947.82 × 79,162.84
  4. Step 4: Simplify right side
    135,275.48x = 16,065,925,803.01
  5. Step 5: Solve for x
    x = 16,065,925,803.01/135,275.48
  6. Step 6: Final answer
    x = 118,764.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.