Home / 211,166.16-291,401.44-115,673.64

Finding the Fourth Proportional to 211,166.16, 291,401.44 and 115,673.64

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Solution

The fourth proportional to 211,166.16, 291,401.44 and 115,673.64 is: 159,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,166.16 : 291,401.44 = 115,673.64 : x
  2. Step 2: Convert to fraction form
    211,166.16/291,401.44 = 115,673.64/x
  3. Step 3: Cross multiply
    211,166.16x = 291,401.44 × 115,673.64
  4. Step 4: Simplify right side
    211,166.16x = 33,707,465,266.04
  5. Step 5: Solve for x
    x = 33,707,465,266.04/211,166.16
  6. Step 6: Final answer
    x = 159,625.32

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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.