Home / 108,392.78-162,441.45-52,228.80

Finding the Fourth Proportional to 108,392.78, 162,441.45 and 52,228.80

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Solution

The fourth proportional to 108,392.78, 162,441.45 and 52,228.80 is: 78,272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,392.78 : 162,441.45 = 52,228.80 : x
  2. Step 2: Convert to fraction form
    108,392.78/162,441.45 = 52,228.80/x
  3. Step 3: Cross multiply
    108,392.78x = 162,441.45 × 52,228.80
  4. Step 4: Simplify right side
    108,392.78x = 8,484,122,003.76
  5. Step 5: Solve for x
    x = 8,484,122,003.76/108,392.78
  6. Step 6: Final answer
    x = 78,272.02

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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.