Home / 151,083.16-208,480.26-83,098.96

Finding the Fourth Proportional to 151,083.16, 208,480.26 and 83,098.96

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Solution

The fourth proportional to 151,083.16, 208,480.26 and 83,098.96 is: 114,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,083.16 : 208,480.26 = 83,098.96 : x
  2. Step 2: Convert to fraction form
    151,083.16/208,480.26 = 83,098.96/x
  3. Step 3: Cross multiply
    151,083.16x = 208,480.26 × 83,098.96
  4. Step 4: Simplify right side
    151,083.16x = 17,324,492,786.53
  5. Step 5: Solve for x
    x = 17,324,492,786.53/151,083.16
  6. Step 6: Final answer
    x = 114,668.59

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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.