Home / 165,341.88-248,114.34-131,407.16

Finding the Fourth Proportional to 165,341.88, 248,114.34 and 131,407.16

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Solution

The fourth proportional to 165,341.88, 248,114.34 and 131,407.16 is: 197,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,341.88 : 248,114.34 = 131,407.16 : x
  2. Step 2: Convert to fraction form
    165,341.88/248,114.34 = 131,407.16/x
  3. Step 3: Cross multiply
    165,341.88x = 248,114.34 × 131,407.16
  4. Step 4: Simplify right side
    165,341.88x = 32,603,999,534.10
  5. Step 5: Solve for x
    x = 32,603,999,534.10/165,341.88
  6. Step 6: Final answer
    x = 197,191.42

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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.