Home / 165,549.08-248,129.19-76,614.72

Finding the Fourth Proportional to 165,549.08, 248,129.19 and 76,614.72

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Solution

The fourth proportional to 165,549.08, 248,129.19 and 76,614.72 is: 114,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,549.08 : 248,129.19 = 76,614.72 : x
  2. Step 2: Convert to fraction form
    165,549.08/248,129.19 = 76,614.72/x
  3. Step 3: Cross multiply
    165,549.08x = 248,129.19 × 76,614.72
  4. Step 4: Simplify right side
    165,549.08x = 19,010,348,415.68
  5. Step 5: Solve for x
    x = 19,010,348,415.68/165,549.08
  6. Step 6: Final answer
    x = 114,832.10

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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.