Home / 129,923.45-179,294.36-73,338.47

Finding the Fourth Proportional to 129,923.45, 179,294.36 and 73,338.47

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Solution

The fourth proportional to 129,923.45, 179,294.36 and 73,338.47 is: 101,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,923.45 : 179,294.36 = 73,338.47 : x
  2. Step 2: Convert to fraction form
    129,923.45/179,294.36 = 73,338.47/x
  3. Step 3: Cross multiply
    129,923.45x = 179,294.36 × 73,338.47
  4. Step 4: Simplify right side
    129,923.45x = 13,149,172,778.87
  5. Step 5: Solve for x
    x = 13,149,172,778.87/129,923.45
  6. Step 6: Final answer
    x = 101,207.08

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1.5x scale

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.