Home / 115,504.21-159,394.08-64,517.77

Finding the Fourth Proportional to 115,504.21, 159,394.08 and 64,517.77

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Solution

The fourth proportional to 115,504.21, 159,394.08 and 64,517.77 is: 89,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,504.21 : 159,394.08 = 64,517.77 : x
  2. Step 2: Convert to fraction form
    115,504.21/159,394.08 = 64,517.77/x
  3. Step 3: Cross multiply
    115,504.21x = 159,394.08 × 64,517.77
  4. Step 4: Simplify right side
    115,504.21x = 10,283,750,592.80
  5. Step 5: Solve for x
    x = 10,283,750,592.80/115,504.21
  6. Step 6: Final answer
    x = 89,033.56

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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.