Home / 129,904.07-194,834.13-36,388.31

Finding the Fourth Proportional to 129,904.07, 194,834.13 and 36,388.31

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Solution

The fourth proportional to 129,904.07, 194,834.13 and 36,388.31 is: 54,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,904.07 : 194,834.13 = 36,388.31 : x
  2. Step 2: Convert to fraction form
    129,904.07/194,834.13 = 36,388.31/x
  3. Step 3: Cross multiply
    129,904.07x = 194,834.13 × 36,388.31
  4. Step 4: Simplify right side
    129,904.07x = 7,089,684,721.02
  5. Step 5: Solve for x
    x = 7,089,684,721.02/129,904.07
  6. Step 6: Final answer
    x = 54,576.31

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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.