Home / 115,257.75-159,058.51-64,269.98

Finding the Fourth Proportional to 115,257.75, 159,058.51 and 64,269.98

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Solution

The fourth proportional to 115,257.75, 159,058.51 and 64,269.98 is: 88,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,257.75 : 159,058.51 = 64,269.98 : x
  2. Step 2: Convert to fraction form
    115,257.75/159,058.51 = 64,269.98/x
  3. Step 3: Cross multiply
    115,257.75x = 159,058.51 × 64,269.98
  4. Step 4: Simplify right side
    115,257.75x = 10,222,687,525.14
  5. Step 5: Solve for x
    x = 10,222,687,525.14/115,257.75
  6. Step 6: Final answer
    x = 88,694.14

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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.