Home / 123,814.89-185,732.69-39,587.04

Finding the Fourth Proportional to 123,814.89, 185,732.69 and 39,587.04

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Solution

The fourth proportional to 123,814.89, 185,732.69 and 39,587.04 is: 59,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,814.89 : 185,732.69 = 39,587.04 : x
  2. Step 2: Convert to fraction form
    123,814.89/185,732.69 = 39,587.04/x
  3. Step 3: Cross multiply
    123,814.89x = 185,732.69 × 39,587.04
  4. Step 4: Simplify right side
    123,814.89x = 7,352,607,230.40
  5. Step 5: Solve for x
    x = 7,352,607,230.40/123,814.89
  6. Step 6: Final answer
    x = 59,383.87

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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.