Home / 102,928.32-154,353.60-43,791.84

Finding the Fourth Proportional to 102,928.32, 154,353.60 and 43,791.84

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Solution

The fourth proportional to 102,928.32, 154,353.60 and 43,791.84 is: 65,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,928.32 : 154,353.60 = 43,791.84 : x
  2. Step 2: Convert to fraction form
    102,928.32/154,353.60 = 43,791.84/x
  3. Step 3: Cross multiply
    102,928.32x = 154,353.60 × 43,791.84
  4. Step 4: Simplify right side
    102,928.32x = 6,759,428,154.62
  5. Step 5: Solve for x
    x = 6,759,428,154.62/102,928.32
  6. Step 6: Final answer
    x = 65,671.22

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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.