Home / 165,239.72-228,032.18-89,788.22

Finding the Fourth Proportional to 165,239.72, 228,032.18 and 89,788.22

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Solution

The fourth proportional to 165,239.72, 228,032.18 and 89,788.22 is: 123,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,239.72 : 228,032.18 = 89,788.22 : x
  2. Step 2: Convert to fraction form
    165,239.72/228,032.18 = 89,788.22/x
  3. Step 3: Cross multiply
    165,239.72x = 228,032.18 × 89,788.22
  4. Step 4: Simplify right side
    165,239.72x = 20,474,603,147.64
  5. Step 5: Solve for x
    x = 20,474,603,147.64/165,239.72
  6. Step 6: Final answer
    x = 123,908.48

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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.