Home / 252,147.16-347,963.57-137,427.08

Finding the Fourth Proportional to 252,147.16, 347,963.57 and 137,427.08

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Solution

The fourth proportional to 252,147.16, 347,963.57 and 137,427.08 is: 189,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,147.16 : 347,963.57 = 137,427.08 : x
  2. Step 2: Convert to fraction form
    252,147.16/347,963.57 = 137,427.08/x
  3. Step 3: Cross multiply
    252,147.16x = 347,963.57 × 137,427.08
  4. Step 4: Simplify right side
    252,147.16x = 47,819,616,684.34
  5. Step 5: Solve for x
    x = 47,819,616,684.34/252,147.16
  6. Step 6: Final answer
    x = 189,649.64

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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.