Home / 64,919.20-97,371.60-18,176.80

Finding the Fourth Proportional to 64,919.20, 97,371.60 and 18,176.80

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Solution

The fourth proportional to 64,919.20, 97,371.60 and 18,176.80 is: 27,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,919.20 : 97,371.60 = 18,176.80 : x
  2. Step 2: Convert to fraction form
    64,919.20/97,371.60 = 18,176.80/x
  3. Step 3: Cross multiply
    64,919.20x = 97,371.60 × 18,176.80
  4. Step 4: Simplify right side
    64,919.20x = 1,769,904,098.88
  5. Step 5: Solve for x
    x = 1,769,904,098.88/64,919.20
  6. Step 6: Final answer
    x = 27,263.18

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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.