Home / 151,062.80-208,469.05-83,082.74

Finding the Fourth Proportional to 151,062.80, 208,469.05 and 83,082.74

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Solution

The fourth proportional to 151,062.80, 208,469.05 and 83,082.74 is: 114,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,062.80 : 208,469.05 = 83,082.74 : x
  2. Step 2: Convert to fraction form
    151,062.80/208,469.05 = 83,082.74/x
  3. Step 3: Cross multiply
    151,062.80x = 208,469.05 × 83,082.74
  4. Step 4: Simplify right side
    151,062.80x = 17,320,179,879.20
  5. Step 5: Solve for x
    x = 17,320,179,879.20/151,062.80
  6. Step 6: Final answer
    x = 114,655.49

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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.