Home / 218,814.24-301,979.58-122,024.64

Finding the Fourth Proportional to 218,814.24, 301,979.58 and 122,024.64

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Solution

The fourth proportional to 218,814.24, 301,979.58 and 122,024.64 is: 168,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,814.24 : 301,979.58 = 122,024.64 : x
  2. Step 2: Convert to fraction form
    218,814.24/301,979.58 = 122,024.64/x
  3. Step 3: Cross multiply
    218,814.24x = 301,979.58 × 122,024.64
  4. Step 4: Simplify right side
    218,814.24x = 36,848,949,536.85
  5. Step 5: Solve for x
    x = 36,848,949,536.85/218,814.24
  6. Step 6: Final answer
    x = 168,402.89

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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.