Home / 211,083.10-291,289.03-120,437.42

Finding the Fourth Proportional to 211,083.10, 291,289.03 and 120,437.42

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Solution

The fourth proportional to 211,083.10, 291,289.03 and 120,437.42 is: 166,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,083.10 : 291,289.03 = 120,437.42 : x
  2. Step 2: Convert to fraction form
    211,083.10/291,289.03 = 120,437.42/x
  3. Step 3: Cross multiply
    211,083.10x = 291,289.03 × 120,437.42
  4. Step 4: Simplify right side
    211,083.10x = 35,082,097,489.96
  5. Step 5: Solve for x
    x = 35,082,097,489.96/211,083.10
  6. Step 6: Final answer
    x = 166,200.41

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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.