Home / 209,515.44-314,302.68-67,313.04

Finding the Fourth Proportional to 209,515.44, 314,302.68 and 67,313.04

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Solution

The fourth proportional to 209,515.44, 314,302.68 and 67,313.04 is: 100,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,515.44 : 314,302.68 = 67,313.04 : x
  2. Step 2: Convert to fraction form
    209,515.44/314,302.68 = 67,313.04/x
  3. Step 3: Cross multiply
    209,515.44x = 314,302.68 × 67,313.04
  4. Step 4: Simplify right side
    209,515.44x = 21,156,668,870.95
  5. Step 5: Solve for x
    x = 21,156,668,870.95/209,515.44
  6. Step 6: Final answer
    x = 100,979.04

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1.5x scale

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.