Home / 112,999.23-169,292.30-52,917.48

Finding the Fourth Proportional to 112,999.23, 169,292.30 and 52,917.48

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Solution

The fourth proportional to 112,999.23, 169,292.30 and 52,917.48 is: 79,279.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,999.23 : 169,292.30 = 52,917.48 : x
  2. Step 2: Convert to fraction form
    112,999.23/169,292.30 = 52,917.48/x
  3. Step 3: Cross multiply
    112,999.23x = 169,292.30 × 52,917.48
  4. Step 4: Simplify right side
    112,999.23x = 8,958,521,634.82
  5. Step 5: Solve for x
    x = 8,958,521,634.82/112,999.23
  6. Step 6: Final answer
    x = 79,279.49

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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.