Home / 140,433.28-193,750.59-79,961.14

Finding the Fourth Proportional to 140,433.28, 193,750.59 and 79,961.14

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Solution

The fourth proportional to 140,433.28, 193,750.59 and 79,961.14 is: 110,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,433.28 : 193,750.59 = 79,961.14 : x
  2. Step 2: Convert to fraction form
    140,433.28/193,750.59 = 79,961.14/x
  3. Step 3: Cross multiply
    140,433.28x = 193,750.59 × 79,961.14
  4. Step 4: Simplify right side
    140,433.28x = 15,492,518,052.07
  5. Step 5: Solve for x
    x = 15,492,518,052.07/140,433.28
  6. Step 6: Final answer
    x = 110,319.42

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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.