Home / 134,540.48-185,625.60-77,950.40

Finding the Fourth Proportional to 134,540.48, 185,625.60 and 77,950.40

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Solution

The fourth proportional to 134,540.48, 185,625.60 and 77,950.40 is: 107,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,540.48 : 185,625.60 = 77,950.40 : x
  2. Step 2: Convert to fraction form
    134,540.48/185,625.60 = 77,950.40/x
  3. Step 3: Cross multiply
    134,540.48x = 185,625.60 × 77,950.40
  4. Step 4: Simplify right side
    134,540.48x = 14,469,589,770.24
  5. Step 5: Solve for x
    x = 14,469,589,770.24/134,540.48
  6. Step 6: Final answer
    x = 107,548.22

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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.