Home / 240,403.40-331,734.42-132,971.12

Finding the Fourth Proportional to 240,403.40, 331,734.42 and 132,971.12

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Solution

The fourth proportional to 240,403.40, 331,734.42 and 132,971.12 is: 183,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,403.40 : 331,734.42 = 132,971.12 : x
  2. Step 2: Convert to fraction form
    240,403.40/331,734.42 = 132,971.12/x
  3. Step 3: Cross multiply
    240,403.40x = 331,734.42 × 132,971.12
  4. Step 4: Simplify right side
    240,403.40x = 44,111,096,873.04
  5. Step 5: Solve for x
    x = 44,111,096,873.04/240,403.40
  6. Step 6: Final answer
    x = 183,487.83

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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.