Home / 109,736.13-151,448.15-61,992.55

Finding the Fourth Proportional to 109,736.13, 151,448.15 and 61,992.55

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Solution

The fourth proportional to 109,736.13, 151,448.15 and 61,992.55 is: 85,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,736.13 : 151,448.15 = 61,992.55 : x
  2. Step 2: Convert to fraction form
    109,736.13/151,448.15 = 61,992.55/x
  3. Step 3: Cross multiply
    109,736.13x = 151,448.15 × 61,992.55
  4. Step 4: Simplify right side
    109,736.13x = 9,388,656,580.92
  5. Step 5: Solve for x
    x = 9,388,656,580.92/109,736.13
  6. Step 6: Final answer
    x = 85,556.66

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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.