Home / 121,272.12-181,933.38-51,152.04

Finding the Fourth Proportional to 121,272.12, 181,933.38 and 51,152.04

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Solution

The fourth proportional to 121,272.12, 181,933.38 and 51,152.04 is: 76,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,272.12 : 181,933.38 = 51,152.04 : x
  2. Step 2: Convert to fraction form
    121,272.12/181,933.38 = 51,152.04/x
  3. Step 3: Cross multiply
    121,272.12x = 181,933.38 × 51,152.04
  4. Step 4: Simplify right side
    121,272.12x = 9,306,263,531.10
  5. Step 5: Solve for x
    x = 9,306,263,531.10/121,272.12
  6. Step 6: Final answer
    x = 76,738.69

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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.