Home / 84,157.19-126,126.71-34,179.23

Finding the Fourth Proportional to 84,157.19, 126,126.71 and 34,179.23

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Solution

The fourth proportional to 84,157.19, 126,126.71 and 34,179.23 is: 51,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,157.19 : 126,126.71 = 34,179.23 : x
  2. Step 2: Convert to fraction form
    84,157.19/126,126.71 = 34,179.23/x
  3. Step 3: Cross multiply
    84,157.19x = 126,126.71 × 34,179.23
  4. Step 4: Simplify right side
    84,157.19x = 4,310,914,102.83
  5. Step 5: Solve for x
    x = 4,310,914,102.83/84,157.19
  6. Step 6: Final answer
    x = 51,224.55

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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.