Home / 108,133.17-162,234.51-51,977.35

Finding the Fourth Proportional to 108,133.17, 162,234.51 and 51,977.35

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Solution

The fourth proportional to 108,133.17, 162,234.51 and 51,977.35 is: 77,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,133.17 : 162,234.51 = 51,977.35 : x
  2. Step 2: Convert to fraction form
    108,133.17/162,234.51 = 51,977.35/x
  3. Step 3: Cross multiply
    108,133.17x = 162,234.51 × 51,977.35
  4. Step 4: Simplify right side
    108,133.17x = 8,432,519,908.35
  5. Step 5: Solve for x
    x = 8,432,519,908.35/108,133.17
  6. Step 6: Final answer
    x = 77,982.73

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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.