Home / 121,002.13-181,540.14-61,879.33

Finding the Fourth Proportional to 121,002.13, 181,540.14 and 61,879.33

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Solution

The fourth proportional to 121,002.13, 181,540.14 and 61,879.33 is: 92,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,002.13 : 181,540.14 = 61,879.33 : x
  2. Step 2: Convert to fraction form
    121,002.13/181,540.14 = 61,879.33/x
  3. Step 3: Cross multiply
    121,002.13x = 181,540.14 × 61,879.33
  4. Step 4: Simplify right side
    121,002.13x = 11,233,582,231.31
  5. Step 5: Solve for x
    x = 11,233,582,231.31/121,002.13
  6. Step 6: Final answer
    x = 92,837.89

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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.