Home / 129,860.26-179,209.65-73,272.94

Finding the Fourth Proportional to 129,860.26, 179,209.65 and 73,272.94

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Solution

The fourth proportional to 129,860.26, 179,209.65 and 73,272.94 is: 101,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,860.26 : 179,209.65 = 73,272.94 : x
  2. Step 2: Convert to fraction form
    129,860.26/179,209.65 = 73,272.94/x
  3. Step 3: Cross multiply
    129,860.26x = 179,209.65 × 73,272.94
  4. Step 4: Simplify right side
    129,860.26x = 13,131,217,931.87
  5. Step 5: Solve for x
    x = 13,131,217,931.87/129,860.26
  6. Step 6: Final answer
    x = 101,118.06

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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.