Home / 240,615.20-332,084.57-138,621.26

Finding the Fourth Proportional to 240,615.20, 332,084.57 and 138,621.26

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Solution

The fourth proportional to 240,615.20, 332,084.57 and 138,621.26 is: 191,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,615.20 : 332,084.57 = 138,621.26 : x
  2. Step 2: Convert to fraction form
    240,615.20/332,084.57 = 138,621.26/x
  3. Step 3: Cross multiply
    240,615.20x = 332,084.57 × 138,621.26
  4. Step 4: Simplify right side
    240,615.20x = 46,033,981,519.96
  5. Step 5: Solve for x
    x = 46,033,981,519.96/240,615.20
  6. Step 6: Final answer
    x = 191,317.84

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1.5x scale

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.