Home / 234,638.77-351,971.85-90,545.35

Finding the Fourth Proportional to 234,638.77, 351,971.85 and 90,545.35

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Solution

The fourth proportional to 234,638.77, 351,971.85 and 90,545.35 is: 135,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,638.77 : 351,971.85 = 90,545.35 : x
  2. Step 2: Convert to fraction form
    234,638.77/351,971.85 = 90,545.35/x
  3. Step 3: Cross multiply
    234,638.77x = 351,971.85 × 90,545.35
  4. Step 4: Simplify right side
    234,638.77x = 31,869,414,348.40
  5. Step 5: Solve for x
    x = 31,869,414,348.40/234,638.77
  6. Step 6: Final answer
    x = 135,823.31

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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.