Home / 90,006.89-135,018.02-23,447.03

Finding the Fourth Proportional to 90,006.89, 135,018.02 and 23,447.03

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Solution

The fourth proportional to 90,006.89, 135,018.02 and 23,447.03 is: 35,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,006.89 : 135,018.02 = 23,447.03 : x
  2. Step 2: Convert to fraction form
    90,006.89/135,018.02 = 23,447.03/x
  3. Step 3: Cross multiply
    90,006.89x = 135,018.02 × 23,447.03
  4. Step 4: Simplify right side
    90,006.89x = 3,165,770,773.16
  5. Step 5: Solve for x
    x = 3,165,770,773.16/90,006.89
  6. Step 6: Final answer
    x = 35,172.54

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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.