Home / 211,102.38-291,355.26-120,462.15

Finding the Fourth Proportional to 211,102.38, 291,355.26 and 120,462.15

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Solution

The fourth proportional to 211,102.38, 291,355.26 and 120,462.15 is: 166,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,102.38 : 291,355.26 = 120,462.15 : x
  2. Step 2: Convert to fraction form
    211,102.38/291,355.26 = 120,462.15/x
  3. Step 3: Cross multiply
    211,102.38x = 291,355.26 × 120,462.15
  4. Step 4: Simplify right side
    211,102.38x = 35,097,281,033.41
  5. Step 5: Solve for x
    x = 35,097,281,033.41/211,102.38
  6. Step 6: Final answer
    x = 166,257.15

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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.