Home / 261,956.06-393,006.57-104,295.18

Finding the Fourth Proportional to 261,956.06, 393,006.57 and 104,295.18

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Solution

The fourth proportional to 261,956.06, 393,006.57 and 104,295.18 is: 156,471.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,956.06 : 393,006.57 = 104,295.18 : x
  2. Step 2: Convert to fraction form
    261,956.06/393,006.57 = 104,295.18/x
  3. Step 3: Cross multiply
    261,956.06x = 393,006.57 × 104,295.18
  4. Step 4: Simplify right side
    261,956.06x = 40,988,690,959.33
  5. Step 5: Solve for x
    x = 40,988,690,959.33/261,956.06
  6. Step 6: Final answer
    x = 156,471.63

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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.