Home / 240,441.16-331,833.45-138,470.44

Finding the Fourth Proportional to 240,441.16, 331,833.45 and 138,470.44

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Solution

The fourth proportional to 240,441.16, 331,833.45 and 138,470.44 is: 191,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,441.16 : 331,833.45 = 138,470.44 : x
  2. Step 2: Convert to fraction form
    240,441.16/331,833.45 = 138,470.44/x
  3. Step 3: Cross multiply
    240,441.16x = 331,833.45 × 138,470.44
  4. Step 4: Simplify right side
    240,441.16x = 45,949,123,828.22
  5. Step 5: Solve for x
    x = 45,949,123,828.22/240,441.16
  6. Step 6: Final answer
    x = 191,103.40

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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.