Home / 209,848.42-314,834.16-67,690.84

Finding the Fourth Proportional to 209,848.42, 314,834.16 and 67,690.84

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Solution

The fourth proportional to 209,848.42, 314,834.16 and 67,690.84 is: 101,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,848.42 : 314,834.16 = 67,690.84 : x
  2. Step 2: Convert to fraction form
    209,848.42/314,834.16 = 67,690.84/x
  3. Step 3: Cross multiply
    209,848.42x = 314,834.16 × 67,690.84
  4. Step 4: Simplify right side
    209,848.42x = 21,311,388,751.09
  5. Step 5: Solve for x
    x = 21,311,388,751.09/209,848.42
  6. Step 6: Final answer
    x = 101,556.11

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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.