Home / 165,741.48-228,723.30-90,289.98

Finding the Fourth Proportional to 165,741.48, 228,723.30 and 90,289.98

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Solution

The fourth proportional to 165,741.48, 228,723.30 and 90,289.98 is: 124,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,741.48 : 228,723.30 = 90,289.98 : x
  2. Step 2: Convert to fraction form
    165,741.48/228,723.30 = 90,289.98/x
  3. Step 3: Cross multiply
    165,741.48x = 228,723.30 × 90,289.98
  4. Step 4: Simplify right side
    165,741.48x = 20,651,422,182.53
  5. Step 5: Solve for x
    x = 20,651,422,182.53/165,741.48
  6. Step 6: Final answer
    x = 124,600.20

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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.