Home / 134,481.40-201,722.10-89,380.60

Finding the Fourth Proportional to 134,481.40, 201,722.10 and 89,380.60

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Solution

The fourth proportional to 134,481.40, 201,722.10 and 89,380.60 is: 134,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,481.40 : 201,722.10 = 89,380.60 : x
  2. Step 2: Convert to fraction form
    134,481.40/201,722.10 = 89,380.60/x
  3. Step 3: Cross multiply
    134,481.40x = 201,722.10 × 89,380.60
  4. Step 4: Simplify right side
    134,481.40x = 18,030,042,331.26
  5. Step 5: Solve for x
    x = 18,030,042,331.26/134,481.40
  6. Step 6: Final answer
    x = 134,070.90

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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.