Home / 204,511.46-306,624.16-90,603.80

Finding the Fourth Proportional to 204,511.46, 306,624.16 and 90,603.80

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Solution

The fourth proportional to 204,511.46, 306,624.16 and 90,603.80 is: 135,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,511.46 : 306,624.16 = 90,603.80 : x
  2. Step 2: Convert to fraction form
    204,511.46/306,624.16 = 90,603.80/x
  3. Step 3: Cross multiply
    204,511.46x = 306,624.16 × 90,603.80
  4. Step 4: Simplify right side
    204,511.46x = 27,781,312,081.67
  5. Step 5: Solve for x
    x = 27,781,312,081.67/204,511.46
  6. Step 6: Final answer
    x = 135,842.32

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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.