Home / 129,902.26-179,261.49-73,318.90

Finding the Fourth Proportional to 129,902.26, 179,261.49 and 73,318.90

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Solution

The fourth proportional to 129,902.26, 179,261.49 and 73,318.90 is: 101,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,902.26 : 179,261.49 = 73,318.90 : x
  2. Step 2: Convert to fraction form
    129,902.26/179,261.49 = 73,318.90/x
  3. Step 3: Cross multiply
    129,902.26x = 179,261.49 × 73,318.90
  4. Step 4: Simplify right side
    129,902.26x = 13,143,255,259.16
  5. Step 5: Solve for x
    x = 13,143,255,259.16/129,902.26
  6. Step 6: Final answer
    x = 101,178.03

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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.