Home / 151,057.67-208,455.39-83,074.61

Finding the Fourth Proportional to 151,057.67, 208,455.39 and 83,074.61

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Solution

The fourth proportional to 151,057.67, 208,455.39 and 83,074.61 is: 114,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,057.67 : 208,455.39 = 83,074.61 : x
  2. Step 2: Convert to fraction form
    151,057.67/208,455.39 = 83,074.61/x
  3. Step 3: Cross multiply
    151,057.67x = 208,455.39 × 83,074.61
  4. Step 4: Simplify right side
    151,057.67x = 17,317,350,747.79
  5. Step 5: Solve for x
    x = 17,317,350,747.79/151,057.67
  6. Step 6: Final answer
    x = 114,640.66

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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.