Home / 165,648.08-228,599.88-90,203.60

Finding the Fourth Proportional to 165,648.08, 228,599.88 and 90,203.60

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Solution

The fourth proportional to 165,648.08, 228,599.88 and 90,203.60 is: 124,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,648.08 : 228,599.88 = 90,203.60 : x
  2. Step 2: Convert to fraction form
    165,648.08/228,599.88 = 90,203.60/x
  3. Step 3: Cross multiply
    165,648.08x = 228,599.88 × 90,203.60
  4. Step 4: Simplify right side
    165,648.08x = 20,620,532,135.57
  5. Step 5: Solve for x
    x = 20,620,532,135.57/165,648.08
  6. Step 6: Final answer
    x = 124,483.98

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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.