Home / 218,338.04-301,309.26-122,844.92

Finding the Fourth Proportional to 218,338.04, 301,309.26 and 122,844.92

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Solution

The fourth proportional to 218,338.04, 301,309.26 and 122,844.92 is: 169,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,338.04 : 301,309.26 = 122,844.92 : x
  2. Step 2: Convert to fraction form
    218,338.04/301,309.26 = 122,844.92/x
  3. Step 3: Cross multiply
    218,338.04x = 301,309.26 × 122,844.92
  4. Step 4: Simplify right side
    218,338.04x = 37,014,311,939.96
  5. Step 5: Solve for x
    x = 37,014,311,939.96/218,338.04
  6. Step 6: Final answer
    x = 169,527.55

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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.