Home / 131,752.81-197,169.54-107,783.29

Finding the Fourth Proportional to 131,752.81, 197,169.54 and 107,783.29

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Solution

The fourth proportional to 131,752.81, 197,169.54 and 107,783.29 is: 161,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,752.81 : 197,169.54 = 107,783.29 : x
  2. Step 2: Convert to fraction form
    131,752.81/197,169.54 = 107,783.29/x
  3. Step 3: Cross multiply
    131,752.81x = 197,169.54 × 107,783.29
  4. Step 4: Simplify right side
    131,752.81x = 21,251,581,708.99
  5. Step 5: Solve for x
    x = 21,251,581,708.99/131,752.81
  6. Step 6: Final answer
    x = 161,298.89

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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.