Home / 204,510.96-306,623.41-90,603.29

Finding the Fourth Proportional to 204,510.96, 306,623.41 and 90,603.29

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Solution

The fourth proportional to 204,510.96, 306,623.41 and 90,603.29 is: 135,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,510.96 : 306,623.41 = 90,603.29 : x
  2. Step 2: Convert to fraction form
    204,510.96/306,623.41 = 90,603.29/x
  3. Step 3: Cross multiply
    204,510.96x = 306,623.41 × 90,603.29
  4. Step 4: Simplify right side
    204,510.96x = 27,781,090,277.07
  5. Step 5: Solve for x
    x = 27,781,090,277.07/204,510.96
  6. Step 6: Final answer
    x = 135,841.57

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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.