Home / 165,788.40-248,684.22-90,867.72

Finding the Fourth Proportional to 165,788.40, 248,684.22 and 90,867.72

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Solution

The fourth proportional to 165,788.40, 248,684.22 and 90,867.72 is: 136,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,788.40 : 248,684.22 = 90,867.72 : x
  2. Step 2: Convert to fraction form
    165,788.40/248,684.22 = 90,867.72/x
  3. Step 3: Cross multiply
    165,788.40x = 248,684.22 × 90,867.72
  4. Step 4: Simplify right side
    165,788.40x = 22,597,368,071.38
  5. Step 5: Solve for x
    x = 22,597,368,071.38/165,788.40
  6. Step 6: Final answer
    x = 136,302.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.