Home / 218,785.13-301,923.75-118,183.13

Finding the Fourth Proportional to 218,785.13, 301,923.75 and 118,183.13

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Solution

The fourth proportional to 218,785.13, 301,923.75 and 118,183.13 is: 163,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,785.13 : 301,923.75 = 118,183.13 : x
  2. Step 2: Convert to fraction form
    218,785.13/301,923.75 = 118,183.13/x
  3. Step 3: Cross multiply
    218,785.13x = 301,923.75 × 118,183.13
  4. Step 4: Simplify right side
    218,785.13x = 35,682,293,796.34
  5. Step 5: Solve for x
    x = 35,682,293,796.34/218,785.13
  6. Step 6: Final answer
    x = 163,092.87

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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.