Home / 211,051.96-291,240.45-115,540.24

Finding the Fourth Proportional to 211,051.96, 291,240.45 and 115,540.24

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Solution

The fourth proportional to 211,051.96, 291,240.45 and 115,540.24 is: 159,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,051.96 : 291,240.45 = 115,540.24 : x
  2. Step 2: Convert to fraction form
    211,051.96/291,240.45 = 115,540.24/x
  3. Step 3: Cross multiply
    211,051.96x = 291,240.45 × 115,540.24
  4. Step 4: Simplify right side
    211,051.96x = 33,649,991,490.71
  5. Step 5: Solve for x
    x = 33,649,991,490.71/211,051.96
  6. Step 6: Final answer
    x = 159,439.37

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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.