Home / 165,876.04-228,908.94-90,424.60

Finding the Fourth Proportional to 165,876.04, 228,908.94 and 90,424.60

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Solution

The fourth proportional to 165,876.04, 228,908.94 and 90,424.60 is: 124,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,876.04 : 228,908.94 = 90,424.60 : x
  2. Step 2: Convert to fraction form
    165,876.04/228,908.94 = 90,424.60/x
  3. Step 3: Cross multiply
    165,876.04x = 228,908.94 × 90,424.60
  4. Step 4: Simplify right side
    165,876.04x = 20,698,999,335.92
  5. Step 5: Solve for x
    x = 20,698,999,335.92/165,876.04
  6. Step 6: Final answer
    x = 124,785.95

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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.