Home / 165,456.60-228,323.52-90,005.10

Finding the Fourth Proportional to 165,456.60, 228,323.52 and 90,005.10

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Solution

The fourth proportional to 165,456.60, 228,323.52 and 90,005.10 is: 124,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,456.60 : 228,323.52 = 90,005.10 : x
  2. Step 2: Convert to fraction form
    165,456.60/228,323.52 = 90,005.10/x
  3. Step 3: Cross multiply
    165,456.60x = 228,323.52 × 90,005.10
  4. Step 4: Simplify right side
    165,456.60x = 20,550,281,249.95
  5. Step 5: Solve for x
    x = 20,550,281,249.95/165,456.60
  6. Step 6: Final answer
    x = 124,203.45

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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.