Home / 109,564.14-151,199.61-64,268.94

Finding the Fourth Proportional to 109,564.14, 151,199.61 and 64,268.94

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Solution

The fourth proportional to 109,564.14, 151,199.61 and 64,268.94 is: 88,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,564.14 : 151,199.61 = 64,268.94 : x
  2. Step 2: Convert to fraction form
    109,564.14/151,199.61 = 64,268.94/x
  3. Step 3: Cross multiply
    109,564.14x = 151,199.61 × 64,268.94
  4. Step 4: Simplify right side
    109,564.14x = 9,717,439,350.62
  5. Step 5: Solve for x
    x = 9,717,439,350.62/109,564.14
  6. Step 6: Final answer
    x = 88,691.78

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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.