Home / 121,162.72-181,773.24-51,062.08

Finding the Fourth Proportional to 121,162.72, 181,773.24 and 51,062.08

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Solution

The fourth proportional to 121,162.72, 181,773.24 and 51,062.08 is: 76,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,162.72 : 181,773.24 = 51,062.08 : x
  2. Step 2: Convert to fraction form
    121,162.72/181,773.24 = 51,062.08/x
  3. Step 3: Cross multiply
    121,162.72x = 181,773.24 × 51,062.08
  4. Step 4: Simplify right side
    121,162.72x = 9,281,719,722.74
  5. Step 5: Solve for x
    x = 9,281,719,722.74/121,162.72
  6. Step 6: Final answer
    x = 76,605.41

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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.