Home / 168,704.40-232,719.90-108,207.72

Finding the Fourth Proportional to 168,704.40, 232,719.90 and 108,207.72

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Solution

The fourth proportional to 168,704.40, 232,719.90 and 108,207.72 is: 149,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,704.40 : 232,719.90 = 108,207.72 : x
  2. Step 2: Convert to fraction form
    168,704.40/232,719.90 = 108,207.72/x
  3. Step 3: Cross multiply
    168,704.40x = 232,719.90 × 108,207.72
  4. Step 4: Simplify right side
    168,704.40x = 25,182,089,777.63
  5. Step 5: Solve for x
    x = 25,182,089,777.63/168,704.40
  6. Step 6: Final answer
    x = 149,267.53

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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.