Home / 141,129.93-194,757.98-77,466.36

Finding the Fourth Proportional to 141,129.93, 194,757.98 and 77,466.36

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Solution

The fourth proportional to 141,129.93, 194,757.98 and 77,466.36 is: 106,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,129.93 : 194,757.98 = 77,466.36 : x
  2. Step 2: Convert to fraction form
    141,129.93/194,757.98 = 77,466.36/x
  3. Step 3: Cross multiply
    141,129.93x = 194,757.98 × 77,466.36
  4. Step 4: Simplify right side
    141,129.93x = 15,087,191,791.55
  5. Step 5: Solve for x
    x = 15,087,191,791.55/141,129.93
  6. Step 6: Final answer
    x = 106,902.85

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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.