Home / 129,983.18-179,377.24-70,367.18

Finding the Fourth Proportional to 129,983.18, 179,377.24 and 70,367.18

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Solution

The fourth proportional to 129,983.18, 179,377.24 and 70,367.18 is: 97,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,983.18 : 179,377.24 = 70,367.18 : x
  2. Step 2: Convert to fraction form
    129,983.18/179,377.24 = 70,367.18/x
  3. Step 3: Cross multiply
    129,983.18x = 179,377.24 × 70,367.18
  4. Step 4: Simplify right side
    129,983.18x = 12,622,270,534.98
  5. Step 5: Solve for x
    x = 12,622,270,534.98/129,983.18
  6. Step 6: Final answer
    x = 97,106.95

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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.