Home / 211,468.63-291,779.45-120,795.61

Finding the Fourth Proportional to 211,468.63, 291,779.45 and 120,795.61

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Solution

The fourth proportional to 211,468.63, 291,779.45 and 120,795.61 is: 166,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,468.63 : 291,779.45 = 120,795.61 : x
  2. Step 2: Convert to fraction form
    211,468.63/291,779.45 = 120,795.61/x
  3. Step 3: Cross multiply
    211,468.63x = 291,779.45 × 120,795.61
  4. Step 4: Simplify right side
    211,468.63x = 35,245,676,648.21
  5. Step 5: Solve for x
    x = 35,245,676,648.21/211,468.63
  6. Step 6: Final answer
    x = 166,670.95

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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.