Home / 133,721.20-200,635.80-58,855.60

Finding the Fourth Proportional to 133,721.20, 200,635.80 and 58,855.60

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Solution

The fourth proportional to 133,721.20, 200,635.80 and 58,855.60 is: 88,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,721.20 : 200,635.80 = 58,855.60 : x
  2. Step 2: Convert to fraction form
    133,721.20/200,635.80 = 58,855.60/x
  3. Step 3: Cross multiply
    133,721.20x = 200,635.80 × 58,855.60
  4. Step 4: Simplify right side
    133,721.20x = 11,808,540,390.48
  5. Step 5: Solve for x
    x = 11,808,540,390.48/133,721.20
  6. Step 6: Final answer
    x = 88,307.17

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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.