Home / 211,401.98-291,732.51-115,908.44

Finding the Fourth Proportional to 211,401.98, 291,732.51 and 115,908.44

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Solution

The fourth proportional to 211,401.98, 291,732.51 and 115,908.44 is: 159,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,401.98 : 291,732.51 = 115,908.44 : x
  2. Step 2: Convert to fraction form
    211,401.98/291,732.51 = 115,908.44/x
  3. Step 3: Cross multiply
    211,401.98x = 291,732.51 × 115,908.44
  4. Step 4: Simplify right side
    211,401.98x = 33,814,260,131.38
  5. Step 5: Solve for x
    x = 33,814,260,131.38/211,401.98
  6. Step 6: Final answer
    x = 159,952.43

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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.