Home / 117,187.28-175,545.81-53,919.26

Finding the Fourth Proportional to 117,187.28, 175,545.81 and 53,919.26

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Solution

The fourth proportional to 117,187.28, 175,545.81 and 53,919.26 is: 80,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,187.28 : 175,545.81 = 53,919.26 : x
  2. Step 2: Convert to fraction form
    117,187.28/175,545.81 = 53,919.26/x
  3. Step 3: Cross multiply
    117,187.28x = 175,545.81 × 53,919.26
  4. Step 4: Simplify right side
    117,187.28x = 9,465,300,171.30
  5. Step 5: Solve for x
    x = 9,465,300,171.30/117,187.28
  6. Step 6: Final answer
    x = 80,770.71

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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.