Home / 209,530.18-314,324.61-67,327.66

Finding the Fourth Proportional to 209,530.18, 314,324.61 and 67,327.66

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Solution

The fourth proportional to 209,530.18, 314,324.61 and 67,327.66 is: 101,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,530.18 : 314,324.61 = 67,327.66 : x
  2. Step 2: Convert to fraction form
    209,530.18/314,324.61 = 67,327.66/x
  3. Step 3: Cross multiply
    209,530.18x = 314,324.61 × 67,327.66
  4. Step 4: Simplify right side
    209,530.18x = 21,162,740,471.71
  5. Step 5: Solve for x
    x = 21,162,740,471.71/209,530.18
  6. Step 6: Final answer
    x = 101,000.92

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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.