Home / 122,365.35-168,863.13-68,649.21

Finding the Fourth Proportional to 122,365.35, 168,863.13 and 68,649.21

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Solution

The fourth proportional to 122,365.35, 168,863.13 and 68,649.21 is: 94,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,365.35 : 168,863.13 = 68,649.21 : x
  2. Step 2: Convert to fraction form
    122,365.35/168,863.13 = 68,649.21/x
  3. Step 3: Cross multiply
    122,365.35x = 168,863.13 × 68,649.21
  4. Step 4: Simplify right side
    122,365.35x = 11,592,320,472.63
  5. Step 5: Solve for x
    x = 11,592,320,472.63/122,365.35
  6. Step 6: Final answer
    x = 94,735.32

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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.