Home / 165,523.75-228,422.78-90,072.79

Finding the Fourth Proportional to 165,523.75, 228,422.78 and 90,072.79

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Solution

The fourth proportional to 165,523.75, 228,422.78 and 90,072.79 is: 124,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,523.75 : 228,422.78 = 90,072.79 : x
  2. Step 2: Convert to fraction form
    165,523.75/228,422.78 = 90,072.79/x
  3. Step 3: Cross multiply
    165,523.75x = 228,422.78 × 90,072.79
  4. Step 4: Simplify right side
    165,523.75x = 20,574,676,643.79
  5. Step 5: Solve for x
    x = 20,574,676,643.79/165,523.75
  6. Step 6: Final answer
    x = 124,300.45

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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.