Home / 108,736.40-162,910.20-88,907.60

Finding the Fourth Proportional to 108,736.40, 162,910.20 and 88,907.60

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Solution

The fourth proportional to 108,736.40, 162,910.20 and 88,907.60 is: 133,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,736.40 : 162,910.20 = 88,907.60 : x
  2. Step 2: Convert to fraction form
    108,736.40/162,910.20 = 88,907.60/x
  3. Step 3: Cross multiply
    108,736.40x = 162,910.20 × 88,907.60
  4. Step 4: Simplify right side
    108,736.40x = 14,483,954,897.52
  5. Step 5: Solve for x
    x = 14,483,954,897.52/108,736.40
  6. Step 6: Final answer
    x = 133,202.45

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1.5x scale

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.