Home / 111,102.44-153,321.48-60,115.16

Finding the Fourth Proportional to 111,102.44, 153,321.48 and 60,115.16

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Solution

The fourth proportional to 111,102.44, 153,321.48 and 60,115.16 is: 82,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,102.44 : 153,321.48 = 60,115.16 : x
  2. Step 2: Convert to fraction form
    111,102.44/153,321.48 = 60,115.16/x
  3. Step 3: Cross multiply
    111,102.44x = 153,321.48 × 60,115.16
  4. Step 4: Simplify right side
    111,102.44x = 9,216,945,301.64
  5. Step 5: Solve for x
    x = 9,216,945,301.64/111,102.44
  6. Step 6: Final answer
    x = 82,958.98

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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.