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Finding the Fourth Proportional to 101,114.57, 139,537.02 and 55,794.47

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Solution

The fourth proportional to 101,114.57, 139,537.02 and 55,794.47 is: 76,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,114.57 : 139,537.02 = 55,794.47 : x
  2. Step 2: Convert to fraction form
    101,114.57/139,537.02 = 55,794.47/x
  3. Step 3: Cross multiply
    101,114.57x = 139,537.02 × 55,794.47
  4. Step 4: Simplify right side
    101,114.57x = 7,785,393,378.59
  5. Step 5: Solve for x
    x = 7,785,393,378.59/101,114.57
  6. Step 6: Final answer
    x = 76,995.76

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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.