Home / 204,710.68-307,066-79,964.20

Finding the Fourth Proportional to 204,710.68, 307,066 and 79,964.20

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Solution

The fourth proportional to 204,710.68, 307,066 and 79,964.20 is: 119,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,710.68 : 307,066 = 79,964.20 : x
  2. Step 2: Convert to fraction form
    204,710.68/307,066 = 79,964.20/x
  3. Step 3: Cross multiply
    204,710.68x = 307,066 × 79,964.20
  4. Step 4: Simplify right side
    204,710.68x = 24,554,287,037.20
  5. Step 5: Solve for x
    x = 24,554,287,037.20/204,710.68
  6. Step 6: Final answer
    x = 119,946.29

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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.