Home / 101,530.62-140,126.94-59,112.54

Finding the Fourth Proportional to 101,530.62, 140,126.94 and 59,112.54

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Solution

The fourth proportional to 101,530.62, 140,126.94 and 59,112.54 is: 81,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,530.62 : 140,126.94 = 59,112.54 : x
  2. Step 2: Convert to fraction form
    101,530.62/140,126.94 = 59,112.54/x
  3. Step 3: Cross multiply
    101,530.62x = 140,126.94 × 59,112.54
  4. Step 4: Simplify right side
    101,530.62x = 8,283,259,345.83
  5. Step 5: Solve for x
    x = 8,283,259,345.83/101,530.62
  6. Step 6: Final answer
    x = 81,583.85

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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.