Home / 122,047.32-168,431.55-68,329.13

Finding the Fourth Proportional to 122,047.32, 168,431.55 and 68,329.13

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Solution

The fourth proportional to 122,047.32, 168,431.55 and 68,329.13 is: 94,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,047.32 : 168,431.55 = 68,329.13 : x
  2. Step 2: Convert to fraction form
    122,047.32/168,431.55 = 68,329.13/x
  3. Step 3: Cross multiply
    122,047.32x = 168,431.55 × 68,329.13
  4. Step 4: Simplify right side
    122,047.32x = 11,508,781,276.05
  5. Step 5: Solve for x
    x = 11,508,781,276.05/122,047.32
  6. Step 6: Final answer
    x = 94,297.70

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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.