Home / 140,538.44-193,656.12-100,166.42

Finding the Fourth Proportional to 140,538.44, 193,656.12 and 100,166.42

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Solution

The fourth proportional to 140,538.44, 193,656.12 and 100,166.42 is: 138,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,538.44 : 193,656.12 = 100,166.42 : x
  2. Step 2: Convert to fraction form
    140,538.44/193,656.12 = 100,166.42/x
  3. Step 3: Cross multiply
    140,538.44x = 193,656.12 × 100,166.42
  4. Step 4: Simplify right side
    140,538.44x = 19,397,840,360.01
  5. Step 5: Solve for x
    x = 19,397,840,360.01/140,538.44
  6. Step 6: Final answer
    x = 138,025.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.