Home / 252,119.55-347,920.32-137,399.13

Finding the Fourth Proportional to 252,119.55, 347,920.32 and 137,399.13

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Solution

The fourth proportional to 252,119.55, 347,920.32 and 137,399.13 is: 189,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,119.55 : 347,920.32 = 137,399.13 : x
  2. Step 2: Convert to fraction form
    252,119.55/347,920.32 = 137,399.13/x
  3. Step 3: Cross multiply
    252,119.55x = 347,920.32 × 137,399.13
  4. Step 4: Simplify right side
    252,119.55x = 47,803,949,277.32
  5. Step 5: Solve for x
    x = 47,803,949,277.32/252,119.55
  6. Step 6: Final answer
    x = 189,608.26

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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.