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Finding the Fourth Proportional to 101,159.43, 139,600.03 and 55,837.43

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Solution

The fourth proportional to 101,159.43, 139,600.03 and 55,837.43 is: 77,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,159.43 : 139,600.03 = 55,837.43 : x
  2. Step 2: Convert to fraction form
    101,159.43/139,600.03 = 55,837.43/x
  3. Step 3: Cross multiply
    101,159.43x = 139,600.03 × 55,837.43
  4. Step 4: Simplify right side
    101,159.43x = 7,794,906,903.12
  5. Step 5: Solve for x
    x = 7,794,906,903.12/101,159.43
  6. Step 6: Final answer
    x = 77,055.66

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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.