Home / 108,134.17-162,236.01-51,978.35

Finding the Fourth Proportional to 108,134.17, 162,236.01 and 51,978.35

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Solution

The fourth proportional to 108,134.17, 162,236.01 and 51,978.35 is: 77,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,134.17 : 162,236.01 = 51,978.35 : x
  2. Step 2: Convert to fraction form
    108,134.17/162,236.01 = 51,978.35/x
  3. Step 3: Cross multiply
    108,134.17x = 162,236.01 × 51,978.35
  4. Step 4: Simplify right side
    108,134.17x = 8,432,760,110.38
  5. Step 5: Solve for x
    x = 8,432,760,110.38/108,134.17
  6. Step 6: Final answer
    x = 77,984.23

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1.5x scale

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.