Home / 131,865.20-197,803.20-38,370.96

Finding the Fourth Proportional to 131,865.20, 197,803.20 and 38,370.96

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Solution

The fourth proportional to 131,865.20, 197,803.20 and 38,370.96 is: 57,558.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,865.20 : 197,803.20 = 38,370.96 : x
  2. Step 2: Convert to fraction form
    131,865.20/197,803.20 = 38,370.96/x
  3. Step 3: Cross multiply
    131,865.20x = 197,803.20 × 38,370.96
  4. Step 4: Simplify right side
    131,865.20x = 7,589,898,675.07
  5. Step 5: Solve for x
    x = 7,589,898,675.07/131,865.20
  6. Step 6: Final answer
    x = 57,558.01

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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.