Home / 122,001.80-168,362.45-68,286.81

Finding the Fourth Proportional to 122,001.80, 168,362.45 and 68,286.81

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Solution

The fourth proportional to 122,001.80, 168,362.45 and 68,286.81 is: 94,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,001.80 : 168,362.45 = 68,286.81 : x
  2. Step 2: Convert to fraction form
    122,001.80/168,362.45 = 68,286.81/x
  3. Step 3: Cross multiply
    122,001.80x = 168,362.45 × 68,286.81
  4. Step 4: Simplify right side
    122,001.80x = 11,496,935,180.29
  5. Step 5: Solve for x
    x = 11,496,935,180.29/122,001.80
  6. Step 6: Final answer
    x = 94,235.79

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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.