Home / 101,284.41-139,765.70-55,961.91

Finding the Fourth Proportional to 101,284.41, 139,765.70 and 55,961.91

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Solution

The fourth proportional to 101,284.41, 139,765.70 and 55,961.91 is: 77,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,284.41 : 139,765.70 = 55,961.91 : x
  2. Step 2: Convert to fraction form
    101,284.41/139,765.70 = 55,961.91/x
  3. Step 3: Cross multiply
    101,284.41x = 139,765.70 × 55,961.91
  4. Step 4: Simplify right side
    101,284.41x = 7,821,556,057.48
  5. Step 5: Solve for x
    x = 7,821,556,057.48/101,284.41
  6. Step 6: Final answer
    x = 77,223.69

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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.