Home / 275,619.60-413,405.10-75,922.20

Finding the Fourth Proportional to 275,619.60, 413,405.10 and 75,922.20

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Solution

The fourth proportional to 275,619.60, 413,405.10 and 75,922.20 is: 113,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,619.60 : 413,405.10 = 75,922.20 : x
  2. Step 2: Convert to fraction form
    275,619.60/413,405.10 = 75,922.20/x
  3. Step 3: Cross multiply
    275,619.60x = 413,405.10 × 75,922.20
  4. Step 4: Simplify right side
    275,619.60x = 31,386,624,683.22
  5. Step 5: Solve for x
    x = 31,386,624,683.22/275,619.60
  6. Step 6: Final answer
    x = 113,876.61

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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.