Home / 102,171.15-140,993.33-56,846.79

Finding the Fourth Proportional to 102,171.15, 140,993.33 and 56,846.79

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Solution

The fourth proportional to 102,171.15, 140,993.33 and 56,846.79 is: 78,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,171.15 : 140,993.33 = 56,846.79 : x
  2. Step 2: Convert to fraction form
    102,171.15/140,993.33 = 56,846.79/x
  3. Step 3: Cross multiply
    102,171.15x = 140,993.33 × 56,846.79
  4. Step 4: Simplify right side
    102,171.15x = 8,015,017,937.68
  5. Step 5: Solve for x
    x = 8,015,017,937.68/102,171.15
  6. Step 6: Final answer
    x = 78,446.98

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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.