Home / 140,544.08-193,955.44-80,113.64

Finding the Fourth Proportional to 140,544.08, 193,955.44 and 80,113.64

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Solution

The fourth proportional to 140,544.08, 193,955.44 and 80,113.64 is: 110,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,544.08 : 193,955.44 = 80,113.64 : x
  2. Step 2: Convert to fraction form
    140,544.08/193,955.44 = 80,113.64/x
  3. Step 3: Cross multiply
    140,544.08x = 193,955.44 × 80,113.64
  4. Step 4: Simplify right side
    140,544.08x = 15,538,476,296.20
  5. Step 5: Solve for x
    x = 15,538,476,296.20/140,544.08
  6. Step 6: Final answer
    x = 110,559.45

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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.