Home / 122,222.62-168,665.70-68,507.56

Finding the Fourth Proportional to 122,222.62, 168,665.70 and 68,507.56

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Solution

The fourth proportional to 122,222.62, 168,665.70 and 68,507.56 is: 94,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,222.62 : 168,665.70 = 68,507.56 : x
  2. Step 2: Convert to fraction form
    122,222.62/168,665.70 = 68,507.56/x
  3. Step 3: Cross multiply
    122,222.62x = 168,665.70 × 68,507.56
  4. Step 4: Simplify right side
    122,222.62x = 11,554,875,562.69
  5. Step 5: Solve for x
    x = 11,554,875,562.69/122,222.62
  6. Step 6: Final answer
    x = 94,539.58

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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.