Home / 80,154.36-110,542.86-51,832.44

Finding the Fourth Proportional to 80,154.36, 110,542.86 and 51,832.44

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Solution

The fourth proportional to 80,154.36, 110,542.86 and 51,832.44 is: 71,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,154.36 : 110,542.86 = 51,832.44 : x
  2. Step 2: Convert to fraction form
    80,154.36/110,542.86 = 51,832.44/x
  3. Step 3: Cross multiply
    80,154.36x = 110,542.86 × 51,832.44
  4. Step 4: Simplify right side
    80,154.36x = 5,729,706,158.38
  5. Step 5: Solve for x
    x = 5,729,706,158.38/80,154.36
  6. Step 6: Final answer
    x = 71,483.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.