Home / 141,335.82-195,041.19-77,672.25

Finding the Fourth Proportional to 141,335.82, 195,041.19 and 77,672.25

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Solution

The fourth proportional to 141,335.82, 195,041.19 and 77,672.25 is: 107,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,335.82 : 195,041.19 = 77,672.25 : x
  2. Step 2: Convert to fraction form
    141,335.82/195,041.19 = 77,672.25/x
  3. Step 3: Cross multiply
    141,335.82x = 195,041.19 × 77,672.25
  4. Step 4: Simplify right side
    141,335.82x = 15,149,288,069.98
  5. Step 5: Solve for x
    x = 15,149,288,069.98/141,335.82
  6. Step 6: Final answer
    x = 107,186.47

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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.