Home / 129,934.82-179,310.04-70,318.82

Finding the Fourth Proportional to 129,934.82, 179,310.04 and 70,318.82

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Solution

The fourth proportional to 129,934.82, 179,310.04 and 70,318.82 is: 97,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,934.82 : 179,310.04 = 70,318.82 : x
  2. Step 2: Convert to fraction form
    129,934.82/179,310.04 = 70,318.82/x
  3. Step 3: Cross multiply
    129,934.82x = 179,310.04 × 70,318.82
  4. Step 4: Simplify right side
    129,934.82x = 12,608,870,426.95
  5. Step 5: Solve for x
    x = 12,608,870,426.95/129,934.82
  6. Step 6: Final answer
    x = 97,039.97

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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.