Home / 143,894.28-198,593.64-82,664.40

Finding the Fourth Proportional to 143,894.28, 198,593.64 and 82,664.40

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Solution

The fourth proportional to 143,894.28, 198,593.64 and 82,664.40 is: 114,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,894.28 : 198,593.64 = 82,664.40 : x
  2. Step 2: Convert to fraction form
    143,894.28/198,593.64 = 82,664.40/x
  3. Step 3: Cross multiply
    143,894.28x = 198,593.64 × 82,664.40
  4. Step 4: Simplify right side
    143,894.28x = 16,416,624,094.42
  5. Step 5: Solve for x
    x = 16,416,624,094.42/143,894.28
  6. Step 6: Final answer
    x = 114,088.09

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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.