Home / 115,450.65-159,342.62-68,886.50

Finding the Fourth Proportional to 115,450.65, 159,342.62 and 68,886.50

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Solution

The fourth proportional to 115,450.65, 159,342.62 and 68,886.50 is: 95,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,450.65 : 159,342.62 = 68,886.50 : x
  2. Step 2: Convert to fraction form
    115,450.65/159,342.62 = 68,886.50/x
  3. Step 3: Cross multiply
    115,450.65x = 159,342.62 × 68,886.50
  4. Step 4: Simplify right side
    115,450.65x = 10,976,554,251.48
  5. Step 5: Solve for x
    x = 10,976,554,251.48/115,450.65
  6. Step 6: Final answer
    x = 95,075.73

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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.