Home / 106,507.71-159,512.49-84,171.15

Finding the Fourth Proportional to 106,507.71, 159,512.49 and 84,171.15

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Solution

The fourth proportional to 106,507.71, 159,512.49 and 84,171.15 is: 126,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,507.71 : 159,512.49 = 84,171.15 : x
  2. Step 2: Convert to fraction form
    106,507.71/159,512.49 = 84,171.15/x
  3. Step 3: Cross multiply
    106,507.71x = 159,512.49 × 84,171.15
  4. Step 4: Simplify right side
    106,507.71x = 13,426,349,722.66
  5. Step 5: Solve for x
    x = 13,426,349,722.66/106,507.71
  6. Step 6: Final answer
    x = 126,059.89

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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.