Home / 211,710.12-292,183.21-121,074.52

Finding the Fourth Proportional to 211,710.12, 292,183.21 and 121,074.52

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Solution

The fourth proportional to 211,710.12, 292,183.21 and 121,074.52 is: 167,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,710.12 : 292,183.21 = 121,074.52 : x
  2. Step 2: Convert to fraction form
    211,710.12/292,183.21 = 121,074.52/x
  3. Step 3: Cross multiply
    211,710.12x = 292,183.21 × 121,074.52
  4. Step 4: Simplify right side
    211,710.12x = 35,375,941,902.81
  5. Step 5: Solve for x
    x = 35,375,941,902.81/211,710.12
  6. Step 6: Final answer
    x = 167,096.13

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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.