Home / 122,579.20-169,152.96-68,866.48

Finding the Fourth Proportional to 122,579.20, 169,152.96 and 68,866.48

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Solution

The fourth proportional to 122,579.20, 169,152.96 and 68,866.48 is: 95,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,579.20 : 169,152.96 = 68,866.48 : x
  2. Step 2: Convert to fraction form
    122,579.20/169,152.96 = 68,866.48/x
  3. Step 3: Cross multiply
    122,579.20x = 169,152.96 × 68,866.48
  4. Step 4: Simplify right side
    122,579.20x = 11,648,968,936.78
  5. Step 5: Solve for x
    x = 11,648,968,936.78/122,579.20
  6. Step 6: Final answer
    x = 95,032.18

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1.5x scale

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.