Home / 151,371.20-208,908.68-83,395.16

Finding the Fourth Proportional to 151,371.20, 208,908.68 and 83,395.16

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Solution

The fourth proportional to 151,371.20, 208,908.68 and 83,395.16 is: 115,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,371.20 : 208,908.68 = 83,395.16 : x
  2. Step 2: Convert to fraction form
    151,371.20/208,908.68 = 83,395.16/x
  3. Step 3: Cross multiply
    151,371.20x = 208,908.68 × 83,395.16
  4. Step 4: Simplify right side
    151,371.20x = 17,421,972,793.99
  5. Step 5: Solve for x
    x = 17,421,972,793.99/151,371.20
  6. Step 6: Final answer
    x = 115,094.37

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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.