Home / 252,110-347,911.80-138,932.75

Finding the Fourth Proportional to 252,110, 347,911.80 and 138,932.75

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Solution

The fourth proportional to 252,110, 347,911.80 and 138,932.75 is: 191,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,110 : 347,911.80 = 138,932.75 : x
  2. Step 2: Convert to fraction form
    252,110/347,911.80 = 138,932.75/x
  3. Step 3: Cross multiply
    252,110x = 347,911.80 × 138,932.75
  4. Step 4: Simplify right side
    252,110x = 48,336,343,131.45
  5. Step 5: Solve for x
    x = 48,336,343,131.45/252,110
  6. Step 6: Final answer
    x = 191,727.20

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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.