Home / 121,254.12-181,906.38-51,134.04

Finding the Fourth Proportional to 121,254.12, 181,906.38 and 51,134.04

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Solution

The fourth proportional to 121,254.12, 181,906.38 and 51,134.04 is: 76,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,254.12 : 181,906.38 = 51,134.04 : x
  2. Step 2: Convert to fraction form
    121,254.12/181,906.38 = 51,134.04/x
  3. Step 3: Cross multiply
    121,254.12x = 181,906.38 × 51,134.04
  4. Step 4: Simplify right side
    121,254.12x = 9,301,608,111.18
  5. Step 5: Solve for x
    x = 9,301,608,111.18/121,254.12
  6. Step 6: Final answer
    x = 76,711.69

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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.