Home / 122,191.75-168,564.70-106,036.39

Finding the Fourth Proportional to 122,191.75, 168,564.70 and 106,036.39

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Solution

The fourth proportional to 122,191.75, 168,564.70 and 106,036.39 is: 146,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,191.75 : 168,564.70 = 106,036.39 : x
  2. Step 2: Convert to fraction form
    122,191.75/168,564.70 = 106,036.39/x
  3. Step 3: Cross multiply
    122,191.75x = 168,564.70 × 106,036.39
  4. Step 4: Simplify right side
    122,191.75x = 17,873,991,739.25
  5. Step 5: Solve for x
    x = 17,873,991,739.25/122,191.75
  6. Step 6: Final answer
    x = 146,278.22

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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.