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Finding the Fourth Proportional to 101,481.08, 140,040.43 and 56,160.97

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Solution

The fourth proportional to 101,481.08, 140,040.43 and 56,160.97 is: 77,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,481.08 : 140,040.43 = 56,160.97 : x
  2. Step 2: Convert to fraction form
    101,481.08/140,040.43 = 56,160.97/x
  3. Step 3: Cross multiply
    101,481.08x = 140,040.43 × 56,160.97
  4. Step 4: Simplify right side
    101,481.08x = 7,864,805,897.51
  5. Step 5: Solve for x
    x = 7,864,805,897.51/101,481.08
  6. Step 6: Final answer
    x = 77,500.22

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1.5x scale

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.