Home / 151,082.30-208,493.68-83,104.45

Finding the Fourth Proportional to 151,082.30, 208,493.68 and 83,104.45

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Solution

The fourth proportional to 151,082.30, 208,493.68 and 83,104.45 is: 114,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,082.30 : 208,493.68 = 83,104.45 : x
  2. Step 2: Convert to fraction form
    151,082.30/208,493.68 = 83,104.45/x
  3. Step 3: Cross multiply
    151,082.30x = 208,493.68 × 83,104.45
  4. Step 4: Simplify right side
    151,082.30x = 17,326,751,562.41
  5. Step 5: Solve for x
    x = 17,326,751,562.41/151,082.30
  6. Step 6: Final answer
    x = 114,684.19

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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.