Home / 140,494.70-193,884.21-76,831.13

Finding the Fourth Proportional to 140,494.70, 193,884.21 and 76,831.13

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Solution

The fourth proportional to 140,494.70, 193,884.21 and 76,831.13 is: 106,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,494.70 : 193,884.21 = 76,831.13 : x
  2. Step 2: Convert to fraction form
    140,494.70/193,884.21 = 76,831.13/x
  3. Step 3: Cross multiply
    140,494.70x = 193,884.21 × 76,831.13
  4. Step 4: Simplify right side
    140,494.70x = 14,896,341,974.04
  5. Step 5: Solve for x
    x = 14,896,341,974.04/140,494.70
  6. Step 6: Final answer
    x = 106,027.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.