Home / 239,536.92-359,338.19-81,723

Finding the Fourth Proportional to 239,536.92, 359,338.19 and 81,723

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Solution

The fourth proportional to 239,536.92, 359,338.19 and 81,723 is: 122,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,536.92 : 359,338.19 = 81,723 : x
  2. Step 2: Convert to fraction form
    239,536.92/359,338.19 = 81,723/x
  3. Step 3: Cross multiply
    239,536.92x = 359,338.19 × 81,723
  4. Step 4: Simplify right side
    239,536.92x = 29,366,194,492.76
  5. Step 5: Solve for x
    x = 29,366,194,492.76/239,536.92
  6. Step 6: Final answer
    x = 122,595.69

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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.