Home / 123,127.39-183,800.73-108,180.61

Finding the Fourth Proportional to 123,127.39, 183,800.73 and 108,180.61

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Solution

The fourth proportional to 123,127.39, 183,800.73 and 108,180.61 is: 161,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,127.39 : 183,800.73 = 108,180.61 : x
  2. Step 2: Convert to fraction form
    123,127.39/183,800.73 = 108,180.61/x
  3. Step 3: Cross multiply
    123,127.39x = 183,800.73 × 108,180.61
  4. Step 4: Simplify right side
    123,127.39x = 19,883,675,089.85
  5. Step 5: Solve for x
    x = 19,883,675,089.85/123,127.39
  6. Step 6: Final answer
    x = 161,488.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.