Home / 122,255.66-168,720.92-68,544.15

Finding the Fourth Proportional to 122,255.66, 168,720.92 and 68,544.15

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Solution

The fourth proportional to 122,255.66, 168,720.92 and 68,544.15 is: 94,595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,255.66 : 168,720.92 = 68,544.15 : x
  2. Step 2: Convert to fraction form
    122,255.66/168,720.92 = 68,544.15/x
  3. Step 3: Cross multiply
    122,255.66x = 168,720.92 × 68,544.15
  4. Step 4: Simplify right side
    122,255.66x = 11,564,831,705.90
  5. Step 5: Solve for x
    x = 11,564,831,705.90/122,255.66
  6. Step 6: Final answer
    x = 94,595.47

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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.