Home / 131,696.47-197,551.05-42,949.81

Finding the Fourth Proportional to 131,696.47, 197,551.05 and 42,949.81

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Solution

The fourth proportional to 131,696.47, 197,551.05 and 42,949.81 is: 64,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,696.47 : 197,551.05 = 42,949.81 : x
  2. Step 2: Convert to fraction form
    131,696.47/197,551.05 = 42,949.81/x
  3. Step 3: Cross multiply
    131,696.47x = 197,551.05 × 42,949.81
  4. Step 4: Simplify right side
    131,696.47x = 8,484,780,062.80
  5. Step 5: Solve for x
    x = 8,484,780,062.80/131,696.47
  6. Step 6: Final answer
    x = 64,426.78

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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.