Home / 252,988.58-349,131.48-138,273.62

Finding the Fourth Proportional to 252,988.58, 349,131.48 and 138,273.62

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Solution

The fourth proportional to 252,988.58, 349,131.48 and 138,273.62 is: 190,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,988.58 : 349,131.48 = 138,273.62 : x
  2. Step 2: Convert to fraction form
    252,988.58/349,131.48 = 138,273.62/x
  3. Step 3: Cross multiply
    252,988.58x = 349,131.48 × 138,273.62
  4. Step 4: Simplify right side
    252,988.58x = 48,275,673,595.56
  5. Step 5: Solve for x
    x = 48,275,673,595.56/252,988.58
  6. Step 6: Final answer
    x = 190,821.55

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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.