Home / 204,748.80-307,131.84-99,647.52

Finding the Fourth Proportional to 204,748.80, 307,131.84 and 99,647.52

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Solution

The fourth proportional to 204,748.80, 307,131.84 and 99,647.52 is: 149,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,748.80 : 307,131.84 = 99,647.52 : x
  2. Step 2: Convert to fraction form
    204,748.80/307,131.84 = 99,647.52/x
  3. Step 3: Cross multiply
    204,748.80x = 307,131.84 × 99,647.52
  4. Step 4: Simplify right side
    204,748.80x = 30,604,926,169.04
  5. Step 5: Solve for x
    x = 30,604,926,169.04/204,748.80
  6. Step 6: Final answer
    x = 149,475.48

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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.