Home / 231,173.32-346,661.52-90,833.50

Finding the Fourth Proportional to 231,173.32, 346,661.52 and 90,833.50

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Solution

The fourth proportional to 231,173.32, 346,661.52 and 90,833.50 is: 136,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,173.32 : 346,661.52 = 90,833.50 : x
  2. Step 2: Convert to fraction form
    231,173.32/346,661.52 = 90,833.50/x
  3. Step 3: Cross multiply
    231,173.32x = 346,661.52 × 90,833.50
  4. Step 4: Simplify right side
    231,173.32x = 31,488,479,176.92
  5. Step 5: Solve for x
    x = 31,488,479,176.92/231,173.32
  6. Step 6: Final answer
    x = 136,211.56

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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.