Home / 123,784.20-185,749.20-44,906.40

Finding the Fourth Proportional to 123,784.20, 185,749.20 and 44,906.40

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Solution

The fourth proportional to 123,784.20, 185,749.20 and 44,906.40 is: 67,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,784.20 : 185,749.20 = 44,906.40 : x
  2. Step 2: Convert to fraction form
    123,784.20/185,749.20 = 44,906.40/x
  3. Step 3: Cross multiply
    123,784.20x = 185,749.20 × 44,906.40
  4. Step 4: Simplify right side
    123,784.20x = 8,341,327,874.88
  5. Step 5: Solve for x
    x = 8,341,327,874.88/123,784.20
  6. Step 6: Final answer
    x = 67,386.05

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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.