Home / 134,629.12-185,791.92-77,273.36

Finding the Fourth Proportional to 134,629.12, 185,791.92 and 77,273.36

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Solution

The fourth proportional to 134,629.12, 185,791.92 and 77,273.36 is: 106,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,629.12 : 185,791.92 = 77,273.36 : x
  2. Step 2: Convert to fraction form
    134,629.12/185,791.92 = 77,273.36/x
  3. Step 3: Cross multiply
    134,629.12x = 185,791.92 × 77,273.36
  4. Step 4: Simplify right side
    134,629.12x = 14,356,765,919.25
  5. Step 5: Solve for x
    x = 14,356,765,919.25/134,629.12
  6. Step 6: Final answer
    x = 106,639.38

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1.5x scale

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.