Home / 122,852.89-169,535.19-69,133.69

Finding the Fourth Proportional to 122,852.89, 169,535.19 and 69,133.69

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Solution

The fourth proportional to 122,852.89, 169,535.19 and 69,133.69 is: 95,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,852.89 : 169,535.19 = 69,133.69 : x
  2. Step 2: Convert to fraction form
    122,852.89/169,535.19 = 69,133.69/x
  3. Step 3: Cross multiply
    122,852.89x = 169,535.19 × 69,133.69
  4. Step 4: Simplify right side
    122,852.89x = 11,720,593,269.55
  5. Step 5: Solve for x
    x = 11,720,593,269.55/122,852.89
  6. Step 6: Final answer
    x = 95,403.48

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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.