Home / 223,919.22-309,007.17-123,316.50

Finding the Fourth Proportional to 223,919.22, 309,007.17 and 123,316.50

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Solution

The fourth proportional to 223,919.22, 309,007.17 and 123,316.50 is: 170,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,919.22 : 309,007.17 = 123,316.50 : x
  2. Step 2: Convert to fraction form
    223,919.22/309,007.17 = 123,316.50/x
  3. Step 3: Cross multiply
    223,919.22x = 309,007.17 × 123,316.50
  4. Step 4: Simplify right side
    223,919.22x = 38,105,682,679.31
  5. Step 5: Solve for x
    x = 38,105,682,679.31/223,919.22
  6. Step 6: Final answer
    x = 170,176.02

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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.