Home / 142,767.69-197,043.80-82,327.51

Finding the Fourth Proportional to 142,767.69, 197,043.80 and 82,327.51

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Solution

The fourth proportional to 142,767.69, 197,043.80 and 82,327.51 is: 113,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,767.69 : 197,043.80 = 82,327.51 : x
  2. Step 2: Convert to fraction form
    142,767.69/197,043.80 = 82,327.51/x
  3. Step 3: Cross multiply
    142,767.69x = 197,043.80 × 82,327.51
  4. Step 4: Simplify right side
    142,767.69x = 16,222,125,414.94
  5. Step 5: Solve for x
    x = 16,222,125,414.94/142,767.69
  6. Step 6: Final answer
    x = 113,626.03

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1.5x scale

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.