Home / 209,357.04-314,029.68-67,201.20

Finding the Fourth Proportional to 209,357.04, 314,029.68 and 67,201.20

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Solution

The fourth proportional to 209,357.04, 314,029.68 and 67,201.20 is: 100,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,357.04 : 314,029.68 = 67,201.20 : x
  2. Step 2: Convert to fraction form
    209,357.04/314,029.68 = 67,201.20/x
  3. Step 3: Cross multiply
    209,357.04x = 314,029.68 × 67,201.20
  4. Step 4: Simplify right side
    209,357.04x = 21,103,171,331.62
  5. Step 5: Solve for x
    x = 21,103,171,331.62/209,357.04
  6. Step 6: Final answer
    x = 100,799.91

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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.