Home / 165,625.40-228,562.80-90,173.84

Finding the Fourth Proportional to 165,625.40, 228,562.80 and 90,173.84

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Solution

The fourth proportional to 165,625.40, 228,562.80 and 90,173.84 is: 124,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,625.40 : 228,562.80 = 90,173.84 : x
  2. Step 2: Convert to fraction form
    165,625.40/228,562.80 = 90,173.84/x
  3. Step 3: Cross multiply
    165,625.40x = 228,562.80 × 90,173.84
  4. Step 4: Simplify right side
    165,625.40x = 20,610,385,357.15
  5. Step 5: Solve for x
    x = 20,610,385,357.15/165,625.40
  6. Step 6: Final answer
    x = 124,439.76

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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.