Home / 129,748.35-179,057.15-75,296.32

Finding the Fourth Proportional to 129,748.35, 179,057.15 and 75,296.32

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Solution

The fourth proportional to 129,748.35, 179,057.15 and 75,296.32 is: 103,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,748.35 : 179,057.15 = 75,296.32 : x
  2. Step 2: Convert to fraction form
    129,748.35/179,057.15 = 75,296.32/x
  3. Step 3: Cross multiply
    129,748.35x = 179,057.15 × 75,296.32
  4. Step 4: Simplify right side
    129,748.35x = 13,482,344,205.29
  5. Step 5: Solve for x
    x = 13,482,344,205.29/129,748.35
  6. Step 6: Final answer
    x = 103,911.49

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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.