Home / 90,999.72-136,434.92-34,792.44

Finding the Fourth Proportional to 90,999.72, 136,434.92 and 34,792.44

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Solution

The fourth proportional to 90,999.72, 136,434.92 and 34,792.44 is: 52,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,999.72 : 136,434.92 = 34,792.44 : x
  2. Step 2: Convert to fraction form
    90,999.72/136,434.92 = 34,792.44/x
  3. Step 3: Cross multiply
    90,999.72x = 136,434.92 × 34,792.44
  4. Step 4: Simplify right side
    90,999.72x = 4,746,903,768.00
  5. Step 5: Solve for x
    x = 4,746,903,768.00/90,999.72
  6. Step 6: Final answer
    x = 52,163.94

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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.