Home / 180,919.80-271,331.10-75,749.40

Finding the Fourth Proportional to 180,919.80, 271,331.10 and 75,749.40

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Solution

The fourth proportional to 180,919.80, 271,331.10 and 75,749.40 is: 113,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,919.80 : 271,331.10 = 75,749.40 : x
  2. Step 2: Convert to fraction form
    180,919.80/271,331.10 = 75,749.40/x
  3. Step 3: Cross multiply
    180,919.80x = 271,331.10 × 75,749.40
  4. Step 4: Simplify right side
    180,919.80x = 20,553,168,026.34
  5. Step 5: Solve for x
    x = 20,553,168,026.34/180,919.80
  6. Step 6: Final answer
    x = 113,603.75

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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.