Home / 252,077.28-347,883.51-138,900.03

Finding the Fourth Proportional to 252,077.28, 347,883.51 and 138,900.03

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Solution

The fourth proportional to 252,077.28, 347,883.51 and 138,900.03 is: 191,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,077.28 : 347,883.51 = 138,900.03 : x
  2. Step 2: Convert to fraction form
    252,077.28/347,883.51 = 138,900.03/x
  3. Step 3: Cross multiply
    252,077.28x = 347,883.51 × 138,900.03
  4. Step 4: Simplify right side
    252,077.28x = 48,321,029,281.01
  5. Step 5: Solve for x
    x = 48,321,029,281.01/252,077.28
  6. Step 6: Final answer
    x = 191,691.33

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1.5x scale

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.