Home / 140,526.78-193,922.08-80,116.88

Finding the Fourth Proportional to 140,526.78, 193,922.08 and 80,116.88

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Solution

The fourth proportional to 140,526.78, 193,922.08 and 80,116.88 is: 110,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,526.78 : 193,922.08 = 80,116.88 : x
  2. Step 2: Convert to fraction form
    140,526.78/193,922.08 = 80,116.88/x
  3. Step 3: Cross multiply
    140,526.78x = 193,922.08 × 80,116.88
  4. Step 4: Simplify right side
    140,526.78x = 15,536,431,043.10
  5. Step 5: Solve for x
    x = 15,536,431,043.10/140,526.78
  6. Step 6: Final answer
    x = 110,558.51

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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.