Home / 122,275.31-168,737.78-68,560.16

Finding the Fourth Proportional to 122,275.31, 168,737.78 and 68,560.16

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Solution

The fourth proportional to 122,275.31, 168,737.78 and 68,560.16 is: 94,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,275.31 : 168,737.78 = 68,560.16 : x
  2. Step 2: Convert to fraction form
    122,275.31/168,737.78 = 68,560.16/x
  3. Step 3: Cross multiply
    122,275.31x = 168,737.78 × 68,560.16
  4. Step 4: Simplify right side
    122,275.31x = 11,568,688,522.56
  5. Step 5: Solve for x
    x = 11,568,688,522.56/122,275.31
  6. Step 6: Final answer
    x = 94,611.81

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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.