Home / 143,244.88-197,666.35-82,819.40

Finding the Fourth Proportional to 143,244.88, 197,666.35 and 82,819.40

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Solution

The fourth proportional to 143,244.88, 197,666.35 and 82,819.40 is: 114,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,244.88 : 197,666.35 = 82,819.40 : x
  2. Step 2: Convert to fraction form
    143,244.88/197,666.35 = 82,819.40/x
  3. Step 3: Cross multiply
    143,244.88x = 197,666.35 × 82,819.40
  4. Step 4: Simplify right side
    143,244.88x = 16,370,608,507.19
  5. Step 5: Solve for x
    x = 16,370,608,507.19/143,244.88
  6. Step 6: Final answer
    x = 114,284.07

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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.