Home / 111,131.69-153,360.54-60,143.33

Finding the Fourth Proportional to 111,131.69, 153,360.54 and 60,143.33

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Solution

The fourth proportional to 111,131.69, 153,360.54 and 60,143.33 is: 82,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,131.69 : 153,360.54 = 60,143.33 : x
  2. Step 2: Convert to fraction form
    111,131.69/153,360.54 = 60,143.33/x
  3. Step 3: Cross multiply
    111,131.69x = 153,360.54 × 60,143.33
  4. Step 4: Simplify right side
    111,131.69x = 9,223,613,949.60
  5. Step 5: Solve for x
    x = 9,223,613,949.60/111,131.69
  6. Step 6: Final answer
    x = 82,997.16

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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.