Home / 150,932.07-208,240.77-90,480.65

Finding the Fourth Proportional to 150,932.07, 208,240.77 and 90,480.65

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Solution

The fourth proportional to 150,932.07, 208,240.77 and 90,480.65 is: 124,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,932.07 : 208,240.77 = 90,480.65 : x
  2. Step 2: Convert to fraction form
    150,932.07/208,240.77 = 90,480.65/x
  3. Step 3: Cross multiply
    150,932.07x = 208,240.77 × 90,480.65
  4. Step 4: Simplify right side
    150,932.07x = 18,841,759,184.90
  5. Step 5: Solve for x
    x = 18,841,759,184.90/150,932.07
  6. Step 6: Final answer
    x = 124,836.02

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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.