Home / 129,094.25-193,674.23-75,831.27

Finding the Fourth Proportional to 129,094.25, 193,674.23 and 75,831.27

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Solution

The fourth proportional to 129,094.25, 193,674.23 and 75,831.27 is: 113,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,094.25 : 193,674.23 = 75,831.27 : x
  2. Step 2: Convert to fraction form
    129,094.25/193,674.23 = 75,831.27/x
  3. Step 3: Cross multiply
    129,094.25x = 193,674.23 × 75,831.27
  4. Step 4: Simplify right side
    129,094.25x = 14,686,563,016.75
  5. Step 5: Solve for x
    x = 14,686,563,016.75/129,094.25
  6. Step 6: Final answer
    x = 113,766.20

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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.