Home / 131,664.09-197,516.61-42,896.91

Finding the Fourth Proportional to 131,664.09, 197,516.61 and 42,896.91

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Solution

The fourth proportional to 131,664.09, 197,516.61 and 42,896.91 is: 64,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,664.09 : 197,516.61 = 42,896.91 : x
  2. Step 2: Convert to fraction form
    131,664.09/197,516.61 = 42,896.91/x
  3. Step 3: Cross multiply
    131,664.09x = 197,516.61 × 42,896.91
  4. Step 4: Simplify right side
    131,664.09x = 8,472,852,242.68
  5. Step 5: Solve for x
    x = 8,472,852,242.68/131,664.09
  6. Step 6: Final answer
    x = 64,352.04

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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.