Home / 108,518.10-162,777.15-38,388.30

Finding the Fourth Proportional to 108,518.10, 162,777.15 and 38,388.30

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Solution

The fourth proportional to 108,518.10, 162,777.15 and 38,388.30 is: 57,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,518.10 : 162,777.15 = 38,388.30 : x
  2. Step 2: Convert to fraction form
    108,518.10/162,777.15 = 38,388.30/x
  3. Step 3: Cross multiply
    108,518.10x = 162,777.15 × 38,388.30
  4. Step 4: Simplify right side
    108,518.10x = 6,248,738,067.35
  5. Step 5: Solve for x
    x = 6,248,738,067.35/108,518.10
  6. Step 6: Final answer
    x = 57,582.45

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Similar ratio
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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.