Home / 155,440.90-232,833.30-138,819.70

Finding the Fourth Proportional to 155,440.90, 232,833.30 and 138,819.70

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Solution

The fourth proportional to 155,440.90, 232,833.30 and 138,819.70 is: 207,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,440.90 : 232,833.30 = 138,819.70 : x
  2. Step 2: Convert to fraction form
    155,440.90/232,833.30 = 138,819.70/x
  3. Step 3: Cross multiply
    155,440.90x = 232,833.30 × 138,819.70
  4. Step 4: Simplify right side
    155,440.90x = 32,321,848,856.01
  5. Step 5: Solve for x
    x = 32,321,848,856.01/155,440.90
  6. Step 6: Final answer
    x = 207,936.58

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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.