Home / 209,406.84-314,084.22-67,240.92

Finding the Fourth Proportional to 209,406.84, 314,084.22 and 67,240.92

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Solution

The fourth proportional to 209,406.84, 314,084.22 and 67,240.92 is: 100,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,406.84 : 314,084.22 = 67,240.92 : x
  2. Step 2: Convert to fraction form
    209,406.84/314,084.22 = 67,240.92/x
  3. Step 3: Cross multiply
    209,406.84x = 314,084.22 × 67,240.92
  4. Step 4: Simplify right side
    209,406.84x = 21,119,311,910.28
  5. Step 5: Solve for x
    x = 21,119,311,910.28/209,406.84
  6. Step 6: Final answer
    x = 100,853.02

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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.