Home / 231,187.20-346,780.78-64,975.20

Finding the Fourth Proportional to 231,187.20, 346,780.78 and 64,975.20

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Solution

The fourth proportional to 231,187.20, 346,780.78 and 64,975.20 is: 97,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,187.20 : 346,780.78 = 64,975.20 : x
  2. Step 2: Convert to fraction form
    231,187.20/346,780.78 = 64,975.20/x
  3. Step 3: Cross multiply
    231,187.20x = 346,780.78 × 64,975.20
  4. Step 4: Simplify right side
    231,187.20x = 22,532,150,536.66
  5. Step 5: Solve for x
    x = 22,532,150,536.66/231,187.20
  6. Step 6: Final answer
    x = 97,462.79

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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.