Home / 90,644.94-135,953.37-46,304.46

Finding the Fourth Proportional to 90,644.94, 135,953.37 and 46,304.46

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Solution

The fourth proportional to 90,644.94, 135,953.37 and 46,304.46 is: 69,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,644.94 : 135,953.37 = 46,304.46 : x
  2. Step 2: Convert to fraction form
    90,644.94/135,953.37 = 46,304.46/x
  3. Step 3: Cross multiply
    90,644.94x = 135,953.37 × 46,304.46
  4. Step 4: Simplify right side
    90,644.94x = 6,295,247,383.03
  5. Step 5: Solve for x
    x = 6,295,247,383.03/90,644.94
  6. Step 6: Final answer
    x = 69,449.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.