Home / 131,982.36-182,068.83-83,502.96

Finding the Fourth Proportional to 131,982.36, 182,068.83 and 83,502.96

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Solution

The fourth proportional to 131,982.36, 182,068.83 and 83,502.96 is: 115,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,982.36 : 182,068.83 = 83,502.96 : x
  2. Step 2: Convert to fraction form
    131,982.36/182,068.83 = 83,502.96/x
  3. Step 3: Cross multiply
    131,982.36x = 182,068.83 × 83,502.96
  4. Step 4: Simplify right side
    131,982.36x = 15,203,286,228.74
  5. Step 5: Solve for x
    x = 15,203,286,228.74/131,982.36
  6. Step 6: Final answer
    x = 115,191.80

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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.