Home / 133,056.40-199,584.51-88,769.56

Finding the Fourth Proportional to 133,056.40, 199,584.51 and 88,769.56

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Solution

The fourth proportional to 133,056.40, 199,584.51 and 88,769.56 is: 133,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056.40 : 199,584.51 = 88,769.56 : x
  2. Step 2: Convert to fraction form
    133,056.40/199,584.51 = 88,769.56/x
  3. Step 3: Cross multiply
    133,056.40x = 199,584.51 × 88,769.56
  4. Step 4: Simplify right side
    133,056.40x = 17,717,029,135.52
  5. Step 5: Solve for x
    x = 17,717,029,135.52/133,056.40
  6. Step 6: Final answer
    x = 133,154.28

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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.