Home / 140,834.27-194,344.95-77,170.70

Finding the Fourth Proportional to 140,834.27, 194,344.95 and 77,170.70

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Solution

The fourth proportional to 140,834.27, 194,344.95 and 77,170.70 is: 106,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,834.27 : 194,344.95 = 77,170.70 : x
  2. Step 2: Convert to fraction form
    140,834.27/194,344.95 = 77,170.70/x
  3. Step 3: Cross multiply
    140,834.27x = 194,344.95 × 77,170.70
  4. Step 4: Simplify right side
    140,834.27x = 14,997,736,608.22
  5. Step 5: Solve for x
    x = 14,997,736,608.22/140,834.27
  6. Step 6: Final answer
    x = 106,492.09

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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.