Home / 146,120.20-219,266.70-52,613.80

Finding the Fourth Proportional to 146,120.20, 219,266.70 and 52,613.80

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Solution

The fourth proportional to 146,120.20, 219,266.70 and 52,613.80 is: 78,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,120.20 : 219,266.70 = 52,613.80 : x
  2. Step 2: Convert to fraction form
    146,120.20/219,266.70 = 52,613.80/x
  3. Step 3: Cross multiply
    146,120.20x = 219,266.70 × 52,613.80
  4. Step 4: Simplify right side
    146,120.20x = 11,536,454,300.46
  5. Step 5: Solve for x
    x = 11,536,454,300.46/146,120.20
  6. Step 6: Final answer
    x = 78,951.81

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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.