Home / 209,849.64-314,678.34-67,669.08

Finding the Fourth Proportional to 209,849.64, 314,678.34 and 67,669.08

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Solution

The fourth proportional to 209,849.64, 314,678.34 and 67,669.08 is: 101,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,849.64 : 314,678.34 = 67,669.08 : x
  2. Step 2: Convert to fraction form
    209,849.64/314,678.34 = 67,669.08/x
  3. Step 3: Cross multiply
    209,849.64x = 314,678.34 × 67,669.08
  4. Step 4: Simplify right side
    209,849.64x = 21,293,993,763.73
  5. Step 5: Solve for x
    x = 21,293,993,763.73/209,849.64
  6. Step 6: Final answer
    x = 101,472.62

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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.