Home / 95,039.20-131,141.12-56,790.66

Finding the Fourth Proportional to 95,039.20, 131,141.12 and 56,790.66

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Solution

The fourth proportional to 95,039.20, 131,141.12 and 56,790.66 is: 78,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,039.20 : 131,141.12 = 56,790.66 : x
  2. Step 2: Convert to fraction form
    95,039.20/131,141.12 = 56,790.66/x
  3. Step 3: Cross multiply
    95,039.20x = 131,141.12 × 56,790.66
  4. Step 4: Simplify right side
    95,039.20x = 7,447,590,757.94
  5. Step 5: Solve for x
    x = 7,447,590,757.94/95,039.20
  6. Step 6: Final answer
    x = 78,363.36

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1.5x scale

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.