Home / 211,048.14-291,231.27-115,539.42

Finding the Fourth Proportional to 211,048.14, 291,231.27 and 115,539.42

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Solution

The fourth proportional to 211,048.14, 291,231.27 and 115,539.42 is: 159,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,048.14 : 291,231.27 = 115,539.42 : x
  2. Step 2: Convert to fraction form
    211,048.14/291,231.27 = 115,539.42/x
  3. Step 3: Cross multiply
    211,048.14x = 291,231.27 × 115,539.42
  4. Step 4: Simplify right side
    211,048.14x = 33,648,692,021.66
  5. Step 5: Solve for x
    x = 33,648,692,021.66/211,048.14
  6. Step 6: Final answer
    x = 159,436.10

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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.