Home / 180,622.12-271,099.50-91,939

Finding the Fourth Proportional to 180,622.12, 271,099.50 and 91,939

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Solution

The fourth proportional to 180,622.12, 271,099.50 and 91,939 is: 137,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,622.12 : 271,099.50 = 91,939 : x
  2. Step 2: Convert to fraction form
    180,622.12/271,099.50 = 91,939/x
  3. Step 3: Cross multiply
    180,622.12x = 271,099.50 × 91,939
  4. Step 4: Simplify right side
    180,622.12x = 24,924,616,930.50
  5. Step 5: Solve for x
    x = 24,924,616,930.50/180,622.12
  6. Step 6: Final answer
    x = 137,993.16

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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.