Home / 122,568.48-169,145.16-68,855.76

Finding the Fourth Proportional to 122,568.48, 169,145.16 and 68,855.76

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Solution

The fourth proportional to 122,568.48, 169,145.16 and 68,855.76 is: 95,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,568.48 : 169,145.16 = 68,855.76 : x
  2. Step 2: Convert to fraction form
    122,568.48/169,145.16 = 68,855.76/x
  3. Step 3: Cross multiply
    122,568.48x = 169,145.16 × 68,855.76
  4. Step 4: Simplify right side
    122,568.48x = 11,646,618,542.12
  5. Step 5: Solve for x
    x = 11,646,618,542.12/122,568.48
  6. Step 6: Final answer
    x = 95,021.32

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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.