Home / 252,895.38-348,991.55-138,171.56

Finding the Fourth Proportional to 252,895.38, 348,991.55 and 138,171.56

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Solution

The fourth proportional to 252,895.38, 348,991.55 and 138,171.56 is: 190,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,895.38 : 348,991.55 = 138,171.56 : x
  2. Step 2: Convert to fraction form
    252,895.38/348,991.55 = 138,171.56/x
  3. Step 3: Cross multiply
    252,895.38x = 348,991.55 × 138,171.56
  4. Step 4: Simplify right side
    252,895.38x = 48,220,704,454.50
  5. Step 5: Solve for x
    x = 48,220,704,454.50/252,895.38
  6. Step 6: Final answer
    x = 190,674.52

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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.