Home / 231,387.96-346,994.34-126,149.64

Finding the Fourth Proportional to 231,387.96, 346,994.34 and 126,149.64

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Solution

The fourth proportional to 231,387.96, 346,994.34 and 126,149.64 is: 189,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,387.96 : 346,994.34 = 126,149.64 : x
  2. Step 2: Convert to fraction form
    231,387.96/346,994.34 = 126,149.64/x
  3. Step 3: Cross multiply
    231,387.96x = 346,994.34 × 126,149.64
  4. Step 4: Simplify right side
    231,387.96x = 43,773,211,073.04
  5. Step 5: Solve for x
    x = 43,773,211,073.04/231,387.96
  6. Step 6: Final answer
    x = 189,176.70

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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.