Home / 218,464.42-301,474.78-121,668.24

Finding the Fourth Proportional to 218,464.42, 301,474.78 and 121,668.24

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Solution

The fourth proportional to 218,464.42, 301,474.78 and 121,668.24 is: 167,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,464.42 : 301,474.78 = 121,668.24 : x
  2. Step 2: Convert to fraction form
    218,464.42/301,474.78 = 121,668.24/x
  3. Step 3: Cross multiply
    218,464.42x = 301,474.78 × 121,668.24
  4. Step 4: Simplify right side
    218,464.42x = 36,679,905,886.99
  5. Step 5: Solve for x
    x = 36,679,905,886.99/218,464.42
  6. Step 6: Final answer
    x = 167,898.76

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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.