Home / 129,949.53-179,373.60-76,214.94

Finding the Fourth Proportional to 129,949.53, 179,373.60 and 76,214.94

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Solution

The fourth proportional to 129,949.53, 179,373.60 and 76,214.94 is: 105,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,949.53 : 179,373.60 = 76,214.94 : x
  2. Step 2: Convert to fraction form
    129,949.53/179,373.60 = 76,214.94/x
  3. Step 3: Cross multiply
    129,949.53x = 179,373.60 × 76,214.94
  4. Step 4: Simplify right side
    129,949.53x = 13,670,948,161.58
  5. Step 5: Solve for x
    x = 13,670,948,161.58/129,949.53
  6. Step 6: Final answer
    x = 105,201.98

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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.