Home / 209,167.46-288,653.32-113,674.15

Finding the Fourth Proportional to 209,167.46, 288,653.32 and 113,674.15

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Solution

The fourth proportional to 209,167.46, 288,653.32 and 113,674.15 is: 156,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,167.46 : 288,653.32 = 113,674.15 : x
  2. Step 2: Convert to fraction form
    209,167.46/288,653.32 = 113,674.15/x
  3. Step 3: Cross multiply
    209,167.46x = 288,653.32 × 113,674.15
  4. Step 4: Simplify right side
    209,167.46x = 32,812,420,795.68
  5. Step 5: Solve for x
    x = 32,812,420,795.68/209,167.46
  6. Step 6: Final answer
    x = 156,871.54

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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.