Home / 194,954.29-292,306.26-81,180.86

Finding the Fourth Proportional to 194,954.29, 292,306.26 and 81,180.86

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Solution

The fourth proportional to 194,954.29, 292,306.26 and 81,180.86 is: 121,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,954.29 : 292,306.26 = 81,180.86 : x
  2. Step 2: Convert to fraction form
    194,954.29/292,306.26 = 81,180.86/x
  3. Step 3: Cross multiply
    194,954.29x = 292,306.26 × 81,180.86
  4. Step 4: Simplify right side
    194,954.29x = 23,729,673,570.18
  5. Step 5: Solve for x
    x = 23,729,673,570.18/194,954.29
  6. Step 6: Final answer
    x = 121,719.17

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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.