Home / 151,820.08-209,556.20-88,186.48

Finding the Fourth Proportional to 151,820.08, 209,556.20 and 88,186.48

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Solution

The fourth proportional to 151,820.08, 209,556.20 and 88,186.48 is: 121,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,820.08 : 209,556.20 = 88,186.48 : x
  2. Step 2: Convert to fraction form
    151,820.08/209,556.20 = 88,186.48/x
  3. Step 3: Cross multiply
    151,820.08x = 209,556.20 × 88,186.48
  4. Step 4: Simplify right side
    151,820.08x = 18,480,023,640.18
  5. Step 5: Solve for x
    x = 18,480,023,640.18/151,820.08
  6. Step 6: Final answer
    x = 121,723.18

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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.