Home / 123,758.44-185,715.75-52,680.97

Finding the Fourth Proportional to 123,758.44, 185,715.75 and 52,680.97

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Solution

The fourth proportional to 123,758.44, 185,715.75 and 52,680.97 is: 79,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,758.44 : 185,715.75 = 52,680.97 : x
  2. Step 2: Convert to fraction form
    123,758.44/185,715.75 = 52,680.97/x
  3. Step 3: Cross multiply
    123,758.44x = 185,715.75 × 52,680.97
  4. Step 4: Simplify right side
    123,758.44x = 9,783,685,389.99
  5. Step 5: Solve for x
    x = 9,783,685,389.99/123,758.44
  6. Step 6: Final answer
    x = 79,054.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.