Home / 121,277.56-181,935.78-51,167.20

Finding the Fourth Proportional to 121,277.56, 181,935.78 and 51,167.20

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Solution

The fourth proportional to 121,277.56, 181,935.78 and 51,167.20 is: 76,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277.56 : 181,935.78 = 51,167.20 : x
  2. Step 2: Convert to fraction form
    121,277.56/181,935.78 = 51,167.20/x
  3. Step 3: Cross multiply
    121,277.56x = 181,935.78 × 51,167.20
  4. Step 4: Simplify right side
    121,277.56x = 9,309,144,442.42
  5. Step 5: Solve for x
    x = 9,309,144,442.42/121,277.56
  6. Step 6: Final answer
    x = 76,759.00

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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.