Home / 211,476.96-291,844.62-115,990.11

Finding the Fourth Proportional to 211,476.96, 291,844.62 and 115,990.11

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Solution

The fourth proportional to 211,476.96, 291,844.62 and 115,990.11 is: 160,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,476.96 : 291,844.62 = 115,990.11 : x
  2. Step 2: Convert to fraction form
    211,476.96/291,844.62 = 115,990.11/x
  3. Step 3: Cross multiply
    211,476.96x = 291,844.62 × 115,990.11
  4. Step 4: Simplify right side
    211,476.96x = 33,851,089,576.71
  5. Step 5: Solve for x
    x = 33,851,089,576.71/211,476.96
  6. Step 6: Final answer
    x = 160,069.87

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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.