Home / 120,839.56-181,277.78-61,642.93

Finding the Fourth Proportional to 120,839.56, 181,277.78 and 61,642.93

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Solution

The fourth proportional to 120,839.56, 181,277.78 and 61,642.93 is: 92,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,839.56 : 181,277.78 = 61,642.93 : x
  2. Step 2: Convert to fraction form
    120,839.56/181,277.78 = 61,642.93/x
  3. Step 3: Cross multiply
    120,839.56x = 181,277.78 × 61,642.93
  4. Step 4: Simplify right side
    120,839.56x = 11,174,493,194.88
  5. Step 5: Solve for x
    x = 11,174,493,194.88/120,839.56
  6. Step 6: Final answer
    x = 92,473.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.