Home / 253,954.16-381,010.20-104,206.62

Finding the Fourth Proportional to 253,954.16, 381,010.20 and 104,206.62

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Solution

The fourth proportional to 253,954.16, 381,010.20 and 104,206.62 is: 156,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,954.16 : 381,010.20 = 104,206.62 : x
  2. Step 2: Convert to fraction form
    253,954.16/381,010.20 = 104,206.62/x
  3. Step 3: Cross multiply
    253,954.16x = 381,010.20 × 104,206.62
  4. Step 4: Simplify right side
    253,954.16x = 39,703,785,127.52
  5. Step 5: Solve for x
    x = 39,703,785,127.52/253,954.16
  6. Step 6: Final answer
    x = 156,342.33

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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.