Home / 101,284.76-139,765.78-55,962.24

Finding the Fourth Proportional to 101,284.76, 139,765.78 and 55,962.24

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Solution

The fourth proportional to 101,284.76, 139,765.78 and 55,962.24 is: 77,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,284.76 : 139,765.78 = 55,962.24 : x
  2. Step 2: Convert to fraction form
    101,284.76/139,765.78 = 55,962.24/x
  3. Step 3: Cross multiply
    101,284.76x = 139,765.78 × 55,962.24
  4. Step 4: Simplify right side
    101,284.76x = 7,821,606,124.15
  5. Step 5: Solve for x
    x = 7,821,606,124.15/101,284.76
  6. Step 6: Final answer
    x = 77,223.92

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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.