Home / 84,230.35-126,338.23-34,315.72

Finding the Fourth Proportional to 84,230.35, 126,338.23 and 34,315.72

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Solution

The fourth proportional to 84,230.35, 126,338.23 and 34,315.72 is: 51,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,230.35 : 126,338.23 = 34,315.72 : x
  2. Step 2: Convert to fraction form
    84,230.35/126,338.23 = 34,315.72/x
  3. Step 3: Cross multiply
    84,230.35x = 126,338.23 × 34,315.72
  4. Step 4: Simplify right side
    84,230.35x = 4,335,387,325.98
  5. Step 5: Solve for x
    x = 4,335,387,325.98/84,230.35
  6. Step 6: Final answer
    x = 51,470.61

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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.