Home / 108,646.35-162,944.61-29,766.72

Finding the Fourth Proportional to 108,646.35, 162,944.61 and 29,766.72

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Solution

The fourth proportional to 108,646.35, 162,944.61 and 29,766.72 is: 44,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,646.35 : 162,944.61 = 29,766.72 : x
  2. Step 2: Convert to fraction form
    108,646.35/162,944.61 = 29,766.72/x
  3. Step 3: Cross multiply
    108,646.35x = 162,944.61 × 29,766.72
  4. Step 4: Simplify right side
    108,646.35x = 4,850,326,581.38
  5. Step 5: Solve for x
    x = 4,850,326,581.38/108,646.35
  6. Step 6: Final answer
    x = 44,643.25

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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.