Home / 165,742.02-228,723.94-90,290.52

Finding the Fourth Proportional to 165,742.02, 228,723.94 and 90,290.52

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Solution

The fourth proportional to 165,742.02, 228,723.94 and 90,290.52 is: 124,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742.02 : 228,723.94 = 90,290.52 : x
  2. Step 2: Convert to fraction form
    165,742.02/228,723.94 = 90,290.52/x
  3. Step 3: Cross multiply
    165,742.02x = 228,723.94 × 90,290.52
  4. Step 4: Simplify right side
    165,742.02x = 20,651,603,479.05
  5. Step 5: Solve for x
    x = 20,651,603,479.05/165,742.02
  6. Step 6: Final answer
    x = 124,600.89

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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.