Home / 231,040.92-346,473.90-90,723

Finding the Fourth Proportional to 231,040.92, 346,473.90 and 90,723

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Solution

The fourth proportional to 231,040.92, 346,473.90 and 90,723 is: 136,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,040.92 : 346,473.90 = 90,723 : x
  2. Step 2: Convert to fraction form
    231,040.92/346,473.90 = 90,723/x
  3. Step 3: Cross multiply
    231,040.92x = 346,473.90 × 90,723
  4. Step 4: Simplify right side
    231,040.92x = 31,433,151,629.70
  5. Step 5: Solve for x
    x = 31,433,151,629.70/231,040.92
  6. Step 6: Final answer
    x = 136,050.15

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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.