Home / 140,251.42-193,559.16-79,809.10

Finding the Fourth Proportional to 140,251.42, 193,559.16 and 79,809.10

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Solution

The fourth proportional to 140,251.42, 193,559.16 and 79,809.10 is: 110,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,251.42 : 193,559.16 = 79,809.10 : x
  2. Step 2: Convert to fraction form
    140,251.42/193,559.16 = 79,809.10/x
  3. Step 3: Cross multiply
    140,251.42x = 193,559.16 × 79,809.10
  4. Step 4: Simplify right side
    140,251.42x = 15,447,782,356.36
  5. Step 5: Solve for x
    x = 15,447,782,356.36/140,251.42
  6. Step 6: Final answer
    x = 110,143.50

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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.