Home / 122,117.55-168,517.32-68,399.82

Finding the Fourth Proportional to 122,117.55, 168,517.32 and 68,399.82

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Solution

The fourth proportional to 122,117.55, 168,517.32 and 68,399.82 is: 94,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,117.55 : 168,517.32 = 68,399.82 : x
  2. Step 2: Convert to fraction form
    122,117.55/168,517.32 = 68,399.82/x
  3. Step 3: Cross multiply
    122,117.55x = 168,517.32 × 68,399.82
  4. Step 4: Simplify right side
    122,117.55x = 11,526,554,354.88
  5. Step 5: Solve for x
    x = 11,526,554,354.88/122,117.55
  6. Step 6: Final answer
    x = 94,389.01

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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.