Home / 131,002.56-196,516.17-36,228.90

Finding the Fourth Proportional to 131,002.56, 196,516.17 and 36,228.90

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Solution

The fourth proportional to 131,002.56, 196,516.17 and 36,228.90 is: 54,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,002.56 : 196,516.17 = 36,228.90 : x
  2. Step 2: Convert to fraction form
    131,002.56/196,516.17 = 36,228.90/x
  3. Step 3: Cross multiply
    131,002.56x = 196,516.17 × 36,228.90
  4. Step 4: Simplify right side
    131,002.56x = 7,119,564,671.31
  5. Step 5: Solve for x
    x = 7,119,564,671.31/131,002.56
  6. Step 6: Final answer
    x = 54,346.76

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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.