Home / 109,067.76-163,601.44-30,181.76

Finding the Fourth Proportional to 109,067.76, 163,601.44 and 30,181.76

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Solution

The fourth proportional to 109,067.76, 163,601.44 and 30,181.76 is: 45,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,067.76 : 163,601.44 = 30,181.76 : x
  2. Step 2: Convert to fraction form
    109,067.76/163,601.44 = 30,181.76/x
  3. Step 3: Cross multiply
    109,067.76x = 163,601.44 × 30,181.76
  4. Step 4: Simplify right side
    109,067.76x = 4,937,779,397.73
  5. Step 5: Solve for x
    x = 4,937,779,397.73/109,067.76
  6. Step 6: Final answer
    x = 45,272.58

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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.