Home / 252,119.02-347,924.31-137,397.71

Finding the Fourth Proportional to 252,119.02, 347,924.31 and 137,397.71

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Solution

The fourth proportional to 252,119.02, 347,924.31 and 137,397.71 is: 189,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,119.02 : 347,924.31 = 137,397.71 : x
  2. Step 2: Convert to fraction form
    252,119.02/347,924.31 = 137,397.71/x
  3. Step 3: Cross multiply
    252,119.02x = 347,924.31 × 137,397.71
  4. Step 4: Simplify right side
    252,119.02x = 47,804,003,447.33
  5. Step 5: Solve for x
    x = 47,804,003,447.33/252,119.02
  6. Step 6: Final answer
    x = 189,608.87

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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.