Home / 131,562.70-197,246.85-72,465.10

Finding the Fourth Proportional to 131,562.70, 197,246.85 and 72,465.10

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Solution

The fourth proportional to 131,562.70, 197,246.85 and 72,465.10 is: 108,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,562.70 : 197,246.85 = 72,465.10 : x
  2. Step 2: Convert to fraction form
    131,562.70/197,246.85 = 72,465.10/x
  3. Step 3: Cross multiply
    131,562.70x = 197,246.85 × 72,465.10
  4. Step 4: Simplify right side
    131,562.70x = 14,293,512,709.94
  5. Step 5: Solve for x
    x = 14,293,512,709.94/131,562.70
  6. Step 6: Final answer
    x = 108,644.11

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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.