Home / 117,556.83-162,231.63-69,162.15

Finding the Fourth Proportional to 117,556.83, 162,231.63 and 69,162.15

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Solution

The fourth proportional to 117,556.83, 162,231.63 and 69,162.15 is: 95,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,556.83 : 162,231.63 = 69,162.15 : x
  2. Step 2: Convert to fraction form
    117,556.83/162,231.63 = 69,162.15/x
  3. Step 3: Cross multiply
    117,556.83x = 162,231.63 × 69,162.15
  4. Step 4: Simplify right side
    117,556.83x = 11,220,288,328.80
  5. Step 5: Solve for x
    x = 11,220,288,328.80/117,556.83
  6. Step 6: Final answer
    x = 95,445.65

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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.