Home / 252,120.06-347,921.02-137,399.62

Finding the Fourth Proportional to 252,120.06, 347,921.02 and 137,399.62

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Solution

The fourth proportional to 252,120.06, 347,921.02 and 137,399.62 is: 189,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,120.06 : 347,921.02 = 137,399.62 : x
  2. Step 2: Convert to fraction form
    252,120.06/347,921.02 = 137,399.62/x
  3. Step 3: Cross multiply
    252,120.06x = 347,921.02 × 137,399.62
  4. Step 4: Simplify right side
    252,120.06x = 47,804,215,938.01
  5. Step 5: Solve for x
    x = 47,804,215,938.01/252,120.06
  6. Step 6: Final answer
    x = 189,608.93

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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.