Home / 109,067.32-163,603.02-34,185.80

Finding the Fourth Proportional to 109,067.32, 163,603.02 and 34,185.80

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Solution

The fourth proportional to 109,067.32, 163,603.02 and 34,185.80 is: 51,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,067.32 : 163,603.02 = 34,185.80 : x
  2. Step 2: Convert to fraction form
    109,067.32/163,603.02 = 34,185.80/x
  3. Step 3: Cross multiply
    109,067.32x = 163,603.02 × 34,185.80
  4. Step 4: Simplify right side
    109,067.32x = 5,592,900,121.12
  5. Step 5: Solve for x
    x = 5,592,900,121.12/109,067.32
  6. Step 6: Final answer
    x = 51,279.34

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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.