Home / 156,941.80-235,067.10-109,940.20

Finding the Fourth Proportional to 156,941.80, 235,067.10 and 109,940.20

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Solution

The fourth proportional to 156,941.80, 235,067.10 and 109,940.20 is: 164,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.80 : 235,067.10 = 109,940.20 : x
  2. Step 2: Convert to fraction form
    156,941.80/235,067.10 = 109,940.20/x
  3. Step 3: Cross multiply
    156,941.80x = 235,067.10 × 109,940.20
  4. Step 4: Simplify right side
    156,941.80x = 25,843,323,987.42
  5. Step 5: Solve for x
    x = 25,843,323,987.42/156,941.80
  6. Step 6: Final answer
    x = 164,668.20

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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.