Home / 235,629.28-325,044.42-140,068

Finding the Fourth Proportional to 235,629.28, 325,044.42 and 140,068

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Solution

The fourth proportional to 235,629.28, 325,044.42 and 140,068 is: 193,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,629.28 : 325,044.42 = 140,068 : x
  2. Step 2: Convert to fraction form
    235,629.28/325,044.42 = 140,068/x
  3. Step 3: Cross multiply
    235,629.28x = 325,044.42 × 140,068
  4. Step 4: Simplify right side
    235,629.28x = 45,528,321,820.56
  5. Step 5: Solve for x
    x = 45,528,321,820.56/235,629.28
  6. Step 6: Final answer
    x = 193,220.14

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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.