Home / 231,036.30-346,554.45-81,299.70

Finding the Fourth Proportional to 231,036.30, 346,554.45 and 81,299.70

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Solution

The fourth proportional to 231,036.30, 346,554.45 and 81,299.70 is: 121,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,036.30 : 346,554.45 = 81,299.70 : x
  2. Step 2: Convert to fraction form
    231,036.30/346,554.45 = 81,299.70/x
  3. Step 3: Cross multiply
    231,036.30x = 346,554.45 × 81,299.70
  4. Step 4: Simplify right side
    231,036.30x = 28,174,772,818.67
  5. Step 5: Solve for x
    x = 28,174,772,818.67/231,036.30
  6. Step 6: Final answer
    x = 121,949.55

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Similar ratio
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1.5x scale

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.