Home / 204,089.28-306,136.98-77,736.48

Finding the Fourth Proportional to 204,089.28, 306,136.98 and 77,736.48

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Solution

The fourth proportional to 204,089.28, 306,136.98 and 77,736.48 is: 116,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,089.28 : 306,136.98 = 77,736.48 : x
  2. Step 2: Convert to fraction form
    204,089.28/306,136.98 = 77,736.48/x
  3. Step 3: Cross multiply
    204,089.28x = 306,136.98 × 77,736.48
  4. Step 4: Simplify right side
    204,089.28x = 23,798,011,223.03
  5. Step 5: Solve for x
    x = 23,798,011,223.03/204,089.28
  6. Step 6: Final answer
    x = 116,605.89

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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.