Home / 253,577.13-349,947.37-140,399.88

Finding the Fourth Proportional to 253,577.13, 349,947.37 and 140,399.88

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Solution

The fourth proportional to 253,577.13, 349,947.37 and 140,399.88 is: 193,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,577.13 : 349,947.37 = 140,399.88 : x
  2. Step 2: Convert to fraction form
    253,577.13/349,947.37 = 140,399.88/x
  3. Step 3: Cross multiply
    253,577.13x = 349,947.37 × 140,399.88
  4. Step 4: Simplify right side
    253,577.13x = 49,132,568,754.32
  5. Step 5: Solve for x
    x = 49,132,568,754.32/253,577.13
  6. Step 6: Final answer
    x = 193,757.89

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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.