Home / 115,530.98-159,366.24-69,558.66

Finding the Fourth Proportional to 115,530.98, 159,366.24 and 69,558.66

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Solution

The fourth proportional to 115,530.98, 159,366.24 and 69,558.66 is: 95,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,530.98 : 159,366.24 = 69,558.66 : x
  2. Step 2: Convert to fraction form
    115,530.98/159,366.24 = 69,558.66/x
  3. Step 3: Cross multiply
    115,530.98x = 159,366.24 × 69,558.66
  4. Step 4: Simplify right side
    115,530.98x = 11,085,302,103.64
  5. Step 5: Solve for x
    x = 11,085,302,103.64/115,530.98
  6. Step 6: Final answer
    x = 95,950.91

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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.