Home / 140,522.92-193,926.25-76,860.72

Finding the Fourth Proportional to 140,522.92, 193,926.25 and 76,860.72

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Solution

The fourth proportional to 140,522.92, 193,926.25 and 76,860.72 is: 106,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,522.92 : 193,926.25 = 76,860.72 : x
  2. Step 2: Convert to fraction form
    140,522.92/193,926.25 = 76,860.72/x
  3. Step 3: Cross multiply
    140,522.92x = 193,926.25 × 76,860.72
  4. Step 4: Simplify right side
    140,522.92x = 14,905,311,201.90
  5. Step 5: Solve for x
    x = 14,905,311,201.90/140,522.92
  6. Step 6: Final answer
    x = 106,070.32

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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.