Home / 143,880.66-198,553.14-80,216.82

Finding the Fourth Proportional to 143,880.66, 198,553.14 and 80,216.82

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Solution

The fourth proportional to 143,880.66, 198,553.14 and 80,216.82 is: 110,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,880.66 : 198,553.14 = 80,216.82 : x
  2. Step 2: Convert to fraction form
    143,880.66/198,553.14 = 80,216.82/x
  3. Step 3: Cross multiply
    143,880.66x = 198,553.14 × 80,216.82
  4. Step 4: Simplify right side
    143,880.66x = 15,927,301,491.81
  5. Step 5: Solve for x
    x = 15,927,301,491.81/143,880.66
  6. Step 6: Final answer
    x = 110,698.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.