Home / 151,259.09-208,729.62-83,262.79

Finding the Fourth Proportional to 151,259.09, 208,729.62 and 83,262.79

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Solution

The fourth proportional to 151,259.09, 208,729.62 and 83,262.79 is: 114,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,259.09 : 208,729.62 = 83,262.79 : x
  2. Step 2: Convert to fraction form
    151,259.09/208,729.62 = 83,262.79/x
  3. Step 3: Cross multiply
    151,259.09x = 208,729.62 × 83,262.79
  4. Step 4: Simplify right side
    151,259.09x = 17,379,410,516.84
  5. Step 5: Solve for x
    x = 17,379,410,516.84/151,259.09
  6. Step 6: Final answer
    x = 114,898.29

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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.