Home / 122,582.36-169,180.72-68,871.54

Finding the Fourth Proportional to 122,582.36, 169,180.72 and 68,871.54

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Solution

The fourth proportional to 122,582.36, 169,180.72 and 68,871.54 is: 95,052.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,582.36 : 169,180.72 = 68,871.54 : x
  2. Step 2: Convert to fraction form
    122,582.36/169,180.72 = 68,871.54/x
  3. Step 3: Cross multiply
    122,582.36x = 169,180.72 × 68,871.54
  4. Step 4: Simplify right side
    122,582.36x = 11,651,736,724.71
  5. Step 5: Solve for x
    x = 11,651,736,724.71/122,582.36
  6. Step 6: Final answer
    x = 95,052.31

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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.