Home / 131,422.87-197,144.84-52,493.77

Finding the Fourth Proportional to 131,422.87, 197,144.84 and 52,493.77

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Solution

The fourth proportional to 131,422.87, 197,144.84 and 52,493.77 is: 78,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,422.87 : 197,144.84 = 52,493.77 : x
  2. Step 2: Convert to fraction form
    131,422.87/197,144.84 = 52,493.77/x
  3. Step 3: Cross multiply
    131,422.87x = 197,144.84 × 52,493.77
  4. Step 4: Simplify right side
    131,422.87x = 10,348,875,887.65
  5. Step 5: Solve for x
    x = 10,348,875,887.65/131,422.87
  6. Step 6: Final answer
    x = 78,744.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.