Home / 134,724.68-185,921.37-74,297.46

Finding the Fourth Proportional to 134,724.68, 185,921.37 and 74,297.46

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Solution

The fourth proportional to 134,724.68, 185,921.37 and 74,297.46 is: 102,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,724.68 : 185,921.37 = 74,297.46 : x
  2. Step 2: Convert to fraction form
    134,724.68/185,921.37 = 74,297.46/x
  3. Step 3: Cross multiply
    134,724.68x = 185,921.37 × 74,297.46
  4. Step 4: Simplify right side
    134,724.68x = 13,813,485,550.72
  5. Step 5: Solve for x
    x = 13,813,485,550.72/134,724.68
  6. Step 6: Final answer
    x = 102,531.22

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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.