Home / 123,823.86-185,735.37-84,282.90

Finding the Fourth Proportional to 123,823.86, 185,735.37 and 84,282.90

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Solution

The fourth proportional to 123,823.86, 185,735.37 and 84,282.90 is: 126,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,823.86 : 185,735.37 = 84,282.90 : x
  2. Step 2: Convert to fraction form
    123,823.86/185,735.37 = 84,282.90/x
  3. Step 3: Cross multiply
    123,823.86x = 185,735.37 × 84,282.90
  4. Step 4: Simplify right side
    123,823.86x = 15,654,315,616.17
  5. Step 5: Solve for x
    x = 15,654,315,616.17/123,823.86
  6. Step 6: Final answer
    x = 126,424.06

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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.