Home / 201,965.40-302,802.30-131,884.20

Finding the Fourth Proportional to 201,965.40, 302,802.30 and 131,884.20

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Solution

The fourth proportional to 201,965.40, 302,802.30 and 131,884.20 is: 197,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,965.40 : 302,802.30 = 131,884.20 : x
  2. Step 2: Convert to fraction form
    201,965.40/302,802.30 = 131,884.20/x
  3. Step 3: Cross multiply
    201,965.40x = 302,802.30 × 131,884.20
  4. Step 4: Simplify right side
    201,965.40x = 39,934,839,093.66
  5. Step 5: Solve for x
    x = 39,934,839,093.66/201,965.40
  6. Step 6: Final answer
    x = 197,731.09

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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.