Home / 140,487.95-193,874.90-76,824.38

Finding the Fourth Proportional to 140,487.95, 193,874.90 and 76,824.38

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Solution

The fourth proportional to 140,487.95, 193,874.90 and 76,824.38 is: 106,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,487.95 : 193,874.90 = 76,824.38 : x
  2. Step 2: Convert to fraction form
    140,487.95/193,874.90 = 76,824.38/x
  3. Step 3: Cross multiply
    140,487.95x = 193,874.90 × 76,824.38
  4. Step 4: Simplify right side
    140,487.95x = 14,894,317,636.57
  5. Step 5: Solve for x
    x = 14,894,317,636.57/140,487.95
  6. Step 6: Final answer
    x = 106,018.47

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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.