Home / 108,215.75-162,326.39-51,276.29

Finding the Fourth Proportional to 108,215.75, 162,326.39 and 51,276.29

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Solution

The fourth proportional to 108,215.75, 162,326.39 and 51,276.29 is: 76,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,215.75 : 162,326.39 = 51,276.29 : x
  2. Step 2: Convert to fraction form
    108,215.75/162,326.39 = 51,276.29/x
  3. Step 3: Cross multiply
    108,215.75x = 162,326.39 × 51,276.29
  4. Step 4: Simplify right side
    108,215.75x = 8,323,493,980.28
  5. Step 5: Solve for x
    x = 8,323,493,980.28/108,215.75
  6. Step 6: Final answer
    x = 76,915.74

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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.