Home / 101,282.08-139,766.64-55,963.36

Finding the Fourth Proportional to 101,282.08, 139,766.64 and 55,963.36

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Solution

The fourth proportional to 101,282.08, 139,766.64 and 55,963.36 is: 77,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,282.08 : 139,766.64 = 55,963.36 : x
  2. Step 2: Convert to fraction form
    101,282.08/139,766.64 = 55,963.36/x
  3. Step 3: Cross multiply
    101,282.08x = 139,766.64 × 55,963.36
  4. Step 4: Simplify right side
    101,282.08x = 7,821,810,790.31
  5. Step 5: Solve for x
    x = 7,821,810,790.31/101,282.08
  6. Step 6: Final answer
    x = 77,227.98

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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.