Home / 121,252.12-181,903.38-51,132.04

Finding the Fourth Proportional to 121,252.12, 181,903.38 and 51,132.04

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Solution

The fourth proportional to 121,252.12, 181,903.38 and 51,132.04 is: 76,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,252.12 : 181,903.38 = 51,132.04 : x
  2. Step 2: Convert to fraction form
    121,252.12/181,903.38 = 51,132.04/x
  3. Step 3: Cross multiply
    121,252.12x = 181,903.38 × 51,132.04
  4. Step 4: Simplify right side
    121,252.12x = 9,301,090,902.30
  5. Step 5: Solve for x
    x = 9,301,090,902.30/121,252.12
  6. Step 6: Final answer
    x = 76,708.69

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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.