Home / 151,273.19-208,755.29-83,288.78

Finding the Fourth Proportional to 151,273.19, 208,755.29 and 83,288.78

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Solution

The fourth proportional to 151,273.19, 208,755.29 and 83,288.78 is: 114,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,273.19 : 208,755.29 = 83,288.78 : x
  2. Step 2: Convert to fraction form
    151,273.19/208,755.29 = 83,288.78/x
  3. Step 3: Cross multiply
    151,273.19x = 208,755.29 × 83,288.78
  4. Step 4: Simplify right side
    151,273.19x = 17,386,972,745.26
  5. Step 5: Solve for x
    x = 17,386,972,745.26/151,273.19
  6. Step 6: Final answer
    x = 114,937.57

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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.