Home / 122,003.07-168,325.86-68,279.55

Finding the Fourth Proportional to 122,003.07, 168,325.86 and 68,279.55

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Solution

The fourth proportional to 122,003.07, 168,325.86 and 68,279.55 is: 94,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,003.07 : 168,325.86 = 68,279.55 : x
  2. Step 2: Convert to fraction form
    122,003.07/168,325.86 = 68,279.55/x
  3. Step 3: Cross multiply
    122,003.07x = 168,325.86 × 68,279.55
  4. Step 4: Simplify right side
    122,003.07x = 11,493,213,974.16
  5. Step 5: Solve for x
    x = 11,493,213,974.16/122,003.07
  6. Step 6: Final answer
    x = 94,204.30

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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.