Home / 129,834.90-194,752.35-73,847.70

Finding the Fourth Proportional to 129,834.90, 194,752.35 and 73,847.70

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Solution

The fourth proportional to 129,834.90, 194,752.35 and 73,847.70 is: 110,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,834.90 : 194,752.35 = 73,847.70 : x
  2. Step 2: Convert to fraction form
    129,834.90/194,752.35 = 73,847.70/x
  3. Step 3: Cross multiply
    129,834.90x = 194,752.35 × 73,847.70
  4. Step 4: Simplify right side
    129,834.90x = 14,382,013,117.10
  5. Step 5: Solve for x
    x = 14,382,013,117.10/129,834.90
  6. Step 6: Final answer
    x = 110,771.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.