Home / 201,882.02-302,962.88-80,290.10

Finding the Fourth Proportional to 201,882.02, 302,962.88 and 80,290.10

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Solution

The fourth proportional to 201,882.02, 302,962.88 and 80,290.10 is: 120,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,882.02 : 302,962.88 = 80,290.10 : x
  2. Step 2: Convert to fraction form
    201,882.02/302,962.88 = 80,290.10/x
  3. Step 3: Cross multiply
    201,882.02x = 302,962.88 × 80,290.10
  4. Step 4: Simplify right side
    201,882.02x = 24,324,918,015.22
  5. Step 5: Solve for x
    x = 24,324,918,015.22/201,882.02
  6. Step 6: Final answer
    x = 120,490.76

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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.