Home / 144,620.94-199,553.16-90,867.89

Finding the Fourth Proportional to 144,620.94, 199,553.16 and 90,867.89

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Solution

The fourth proportional to 144,620.94, 199,553.16 and 90,867.89 is: 125,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,620.94 : 199,553.16 = 90,867.89 : x
  2. Step 2: Convert to fraction form
    144,620.94/199,553.16 = 90,867.89/x
  3. Step 3: Cross multiply
    144,620.94x = 199,553.16 × 90,867.89
  4. Step 4: Simplify right side
    144,620.94x = 18,132,974,592.03
  5. Step 5: Solve for x
    x = 18,132,974,592.03/144,620.94
  6. Step 6: Final answer
    x = 125,382.77

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1.5x scale

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.