Home / 225,922.50-311,787.63-125,320.50

Finding the Fourth Proportional to 225,922.50, 311,787.63 and 125,320.50

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Solution

The fourth proportional to 225,922.50, 311,787.63 and 125,320.50 is: 172,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,922.50 : 311,787.63 = 125,320.50 : x
  2. Step 2: Convert to fraction form
    225,922.50/311,787.63 = 125,320.50/x
  3. Step 3: Cross multiply
    225,922.50x = 311,787.63 × 125,320.50
  4. Step 4: Simplify right side
    225,922.50x = 39,073,381,685.42
  5. Step 5: Solve for x
    x = 39,073,381,685.42/225,922.50
  6. Step 6: Final answer
    x = 172,950.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.