Home / 252,117.28-347,921.92-137,395.96

Finding the Fourth Proportional to 252,117.28, 347,921.92 and 137,395.96

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Solution

The fourth proportional to 252,117.28, 347,921.92 and 137,395.96 is: 189,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,117.28 : 347,921.92 = 137,395.96 : x
  2. Step 2: Convert to fraction form
    252,117.28/347,921.92 = 137,395.96/x
  3. Step 3: Cross multiply
    252,117.28x = 347,921.92 × 137,395.96
  4. Step 4: Simplify right side
    252,117.28x = 47,803,066,203.44
  5. Step 5: Solve for x
    x = 47,803,066,203.44/252,117.28
  6. Step 6: Final answer
    x = 189,606.46

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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.