Home / 131,371.92-197,039.28-42,626.16

Finding the Fourth Proportional to 131,371.92, 197,039.28 and 42,626.16

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Solution

The fourth proportional to 131,371.92, 197,039.28 and 42,626.16 is: 63,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,371.92 : 197,039.28 = 42,626.16 : x
  2. Step 2: Convert to fraction form
    131,371.92/197,039.28 = 42,626.16/x
  3. Step 3: Cross multiply
    131,371.92x = 197,039.28 × 42,626.16
  4. Step 4: Simplify right side
    131,371.92x = 8,399,027,875.56
  5. Step 5: Solve for x
    x = 8,399,027,875.56/131,371.92
  6. Step 6: Final answer
    x = 63,933.20

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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.