Home / 122,372.42-168,876.52-68,661.32

Finding the Fourth Proportional to 122,372.42, 168,876.52 and 68,661.32

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Solution

The fourth proportional to 122,372.42, 168,876.52 and 68,661.32 is: 94,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,372.42 : 168,876.52 = 68,661.32 : x
  2. Step 2: Convert to fraction form
    122,372.42/168,876.52 = 68,661.32/x
  3. Step 3: Cross multiply
    122,372.42x = 168,876.52 × 68,661.32
  4. Step 4: Simplify right side
    122,372.42x = 11,595,284,780.21
  5. Step 5: Solve for x
    x = 11,595,284,780.21/122,372.42
  6. Step 6: Final answer
    x = 94,754.07

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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.