Home / 84,159.10-126,238.83-34,203.97

Finding the Fourth Proportional to 84,159.10, 126,238.83 and 34,203.97

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Solution

The fourth proportional to 84,159.10, 126,238.83 and 34,203.97 is: 51,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,159.10 : 126,238.83 = 34,203.97 : x
  2. Step 2: Convert to fraction form
    84,159.10/126,238.83 = 34,203.97/x
  3. Step 3: Cross multiply
    84,159.10x = 126,238.83 × 34,203.97
  4. Step 4: Simplify right side
    84,159.10x = 4,317,869,154.16
  5. Step 5: Solve for x
    x = 4,317,869,154.16/84,159.10
  6. Step 6: Final answer
    x = 51,306.03

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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.