Home / 129,902.19-194,831.33-36,386.43

Finding the Fourth Proportional to 129,902.19, 194,831.33 and 36,386.43

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Solution

The fourth proportional to 129,902.19, 194,831.33 and 36,386.43 is: 54,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,902.19 : 194,831.33 = 36,386.43 : x
  2. Step 2: Convert to fraction form
    129,902.19/194,831.33 = 36,386.43/x
  3. Step 3: Cross multiply
    129,902.19x = 194,831.33 × 36,386.43
  4. Step 4: Simplify right side
    129,902.19x = 7,089,216,368.92
  5. Step 5: Solve for x
    x = 7,089,216,368.92/129,902.19
  6. Step 6: Final answer
    x = 54,573.49

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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.