Home / 140,126.55-193,375.13-76,465.41

Finding the Fourth Proportional to 140,126.55, 193,375.13 and 76,465.41

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Solution

The fourth proportional to 140,126.55, 193,375.13 and 76,465.41 is: 105,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,126.55 : 193,375.13 = 76,465.41 : x
  2. Step 2: Convert to fraction form
    140,126.55/193,375.13 = 76,465.41/x
  3. Step 3: Cross multiply
    140,126.55x = 193,375.13 × 76,465.41
  4. Step 4: Simplify right side
    140,126.55x = 14,786,508,216.93
  5. Step 5: Solve for x
    x = 14,786,508,216.93/140,126.55
  6. Step 6: Final answer
    x = 105,522.53

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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.