Home / 101,837.72-140,507.34-66,029.24

Finding the Fourth Proportional to 101,837.72, 140,507.34 and 66,029.24

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Solution

The fourth proportional to 101,837.72, 140,507.34 and 66,029.24 is: 91,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,837.72 : 140,507.34 = 66,029.24 : x
  2. Step 2: Convert to fraction form
    101,837.72/140,507.34 = 66,029.24/x
  3. Step 3: Cross multiply
    101,837.72x = 140,507.34 × 66,029.24
  4. Step 4: Simplify right side
    101,837.72x = 9,277,592,874.62
  5. Step 5: Solve for x
    x = 9,277,592,874.62/101,837.72
  6. Step 6: Final answer
    x = 91,101.73

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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.