Home / 150,953.25-208,262.39-90,543.45

Finding the Fourth Proportional to 150,953.25, 208,262.39 and 90,543.45

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Solution

The fourth proportional to 150,953.25, 208,262.39 and 90,543.45 is: 124,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,953.25 : 208,262.39 = 90,543.45 : x
  2. Step 2: Convert to fraction form
    150,953.25/208,262.39 = 90,543.45/x
  3. Step 3: Cross multiply
    150,953.25x = 208,262.39 × 90,543.45
  4. Step 4: Simplify right side
    150,953.25x = 18,856,794,843.13
  5. Step 5: Solve for x
    x = 18,856,794,843.13/150,953.25
  6. Step 6: Final answer
    x = 124,918.11

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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.