Home / 121,719.48-182,501.04-50,691.36

Finding the Fourth Proportional to 121,719.48, 182,501.04 and 50,691.36

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Solution

The fourth proportional to 121,719.48, 182,501.04 and 50,691.36 is: 76,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,719.48 : 182,501.04 = 50,691.36 : x
  2. Step 2: Convert to fraction form
    121,719.48/182,501.04 = 50,691.36/x
  3. Step 3: Cross multiply
    121,719.48x = 182,501.04 × 50,691.36
  4. Step 4: Simplify right side
    121,719.48x = 9,251,225,919.01
  5. Step 5: Solve for x
    x = 9,251,225,919.01/121,719.48
  6. Step 6: Final answer
    x = 76,004.48

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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.