Home / 140,544.78-193,962.32-80,116.86

Finding the Fourth Proportional to 140,544.78, 193,962.32 and 80,116.86

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Solution

The fourth proportional to 140,544.78, 193,962.32 and 80,116.86 is: 110,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,544.78 : 193,962.32 = 80,116.86 : x
  2. Step 2: Convert to fraction form
    140,544.78/193,962.32 = 80,116.86/x
  3. Step 3: Cross multiply
    140,544.78x = 193,962.32 × 80,116.86
  4. Step 4: Simplify right side
    140,544.78x = 15,539,652,036.72
  5. Step 5: Solve for x
    x = 15,539,652,036.72/140,544.78
  6. Step 6: Final answer
    x = 110,567.27

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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.