Home / 115,898.84-159,922.13-67,508.73

Finding the Fourth Proportional to 115,898.84, 159,922.13 and 67,508.73

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Solution

The fourth proportional to 115,898.84, 159,922.13 and 67,508.73 is: 93,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,898.84 : 159,922.13 = 67,508.73 : x
  2. Step 2: Convert to fraction form
    115,898.84/159,922.13 = 67,508.73/x
  3. Step 3: Cross multiply
    115,898.84x = 159,922.13 × 67,508.73
  4. Step 4: Simplify right side
    115,898.84x = 10,796,139,557.65
  5. Step 5: Solve for x
    x = 10,796,139,557.65/115,898.84
  6. Step 6: Final answer
    x = 93,151.41

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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.