Home / 129,982.05-179,347.23-75,544.11

Finding the Fourth Proportional to 129,982.05, 179,347.23 and 75,544.11

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Solution

The fourth proportional to 129,982.05, 179,347.23 and 75,544.11 is: 104,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,982.05 : 179,347.23 = 75,544.11 : x
  2. Step 2: Convert to fraction form
    129,982.05/179,347.23 = 75,544.11/x
  3. Step 3: Cross multiply
    129,982.05x = 179,347.23 × 75,544.11
  4. Step 4: Simplify right side
    129,982.05x = 13,548,626,871.32
  5. Step 5: Solve for x
    x = 13,548,626,871.32/129,982.05
  6. Step 6: Final answer
    x = 104,234.60

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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.