Home / 112,998.69-169,525.49-34,108.20

Finding the Fourth Proportional to 112,998.69, 169,525.49 and 34,108.20

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Solution

The fourth proportional to 112,998.69, 169,525.49 and 34,108.20 is: 51,170.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,998.69 : 169,525.49 = 34,108.20 : x
  2. Step 2: Convert to fraction form
    112,998.69/169,525.49 = 34,108.20/x
  3. Step 3: Cross multiply
    112,998.69x = 169,525.49 × 34,108.20
  4. Step 4: Simplify right side
    112,998.69x = 5,782,209,147.48
  5. Step 5: Solve for x
    x = 5,782,209,147.48/112,998.69
  6. Step 6: Final answer
    x = 51,170.59

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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.