Home / 252,132.58-347,938.26-137,412.16

Finding the Fourth Proportional to 252,132.58, 347,938.26 and 137,412.16

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Solution

The fourth proportional to 252,132.58, 347,938.26 and 137,412.16 is: 189,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,132.58 : 347,938.26 = 137,412.16 : x
  2. Step 2: Convert to fraction form
    252,132.58/347,938.26 = 137,412.16/x
  3. Step 3: Cross multiply
    252,132.58x = 347,938.26 × 137,412.16
  4. Step 4: Simplify right side
    252,132.58x = 47,810,947,853.24
  5. Step 5: Solve for x
    x = 47,810,947,853.24/252,132.58
  6. Step 6: Final answer
    x = 189,626.22

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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.