Home / 161,615.01-242,253.99-90,433.29

Finding the Fourth Proportional to 161,615.01, 242,253.99 and 90,433.29

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Solution

The fourth proportional to 161,615.01, 242,253.99 and 90,433.29 is: 135,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,615.01 : 242,253.99 = 90,433.29 : x
  2. Step 2: Convert to fraction form
    161,615.01/242,253.99 = 90,433.29/x
  3. Step 3: Cross multiply
    161,615.01x = 242,253.99 × 90,433.29
  4. Step 4: Simplify right side
    161,615.01x = 21,907,825,331.33
  5. Step 5: Solve for x
    x = 21,907,825,331.33/161,615.01
  6. Step 6: Final answer
    x = 135,555.64

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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.