Home / 165,626.94-228,565.08-90,175.44

Finding the Fourth Proportional to 165,626.94, 228,565.08 and 90,175.44

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Solution

The fourth proportional to 165,626.94, 228,565.08 and 90,175.44 is: 124,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,626.94 : 228,565.08 = 90,175.44 : x
  2. Step 2: Convert to fraction form
    165,626.94/228,565.08 = 90,175.44/x
  3. Step 3: Cross multiply
    165,626.94x = 228,565.08 × 90,175.44
  4. Step 4: Simplify right side
    165,626.94x = 20,610,956,657.64
  5. Step 5: Solve for x
    x = 20,610,956,657.64/165,626.94
  6. Step 6: Final answer
    x = 124,442.05

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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.