Home / 117,933.23-162,750.78-64,221.19

Finding the Fourth Proportional to 117,933.23, 162,750.78 and 64,221.19

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Solution

The fourth proportional to 117,933.23, 162,750.78 and 64,221.19 is: 88,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,933.23 : 162,750.78 = 64,221.19 : x
  2. Step 2: Convert to fraction form
    117,933.23/162,750.78 = 64,221.19/x
  3. Step 3: Cross multiply
    117,933.23x = 162,750.78 × 64,221.19
  4. Step 4: Simplify right side
    117,933.23x = 10,452,048,358.15
  5. Step 5: Solve for x
    x = 10,452,048,358.15/117,933.23
  6. Step 6: Final answer
    x = 88,626.83

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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.