Home / 129,934.95-179,310.21-70,318.95

Finding the Fourth Proportional to 129,934.95, 179,310.21 and 70,318.95

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Solution

The fourth proportional to 129,934.95, 179,310.21 and 70,318.95 is: 97,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,934.95 : 179,310.21 = 70,318.95 : x
  2. Step 2: Convert to fraction form
    129,934.95/179,310.21 = 70,318.95/x
  3. Step 3: Cross multiply
    129,934.95x = 179,310.21 × 70,318.95
  4. Step 4: Simplify right side
    129,934.95x = 12,608,905,691.48
  5. Step 5: Solve for x
    x = 12,608,905,691.48/129,934.95
  6. Step 6: Final answer
    x = 97,040.14

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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.