Home / 104,126.20-156,152.85-54,189.70

Finding the Fourth Proportional to 104,126.20, 156,152.85 and 54,189.70

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Solution

The fourth proportional to 104,126.20, 156,152.85 and 54,189.70 is: 81,265.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,126.20 : 156,152.85 = 54,189.70 : x
  2. Step 2: Convert to fraction form
    104,126.20/156,152.85 = 54,189.70/x
  3. Step 3: Cross multiply
    104,126.20x = 156,152.85 × 54,189.70
  4. Step 4: Simplify right side
    104,126.20x = 8,461,876,095.65
  5. Step 5: Solve for x
    x = 8,461,876,095.65/104,126.20
  6. Step 6: Final answer
    x = 81,265.58

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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.