Home / 212,986.57-293,919.82-117,497.29

Finding the Fourth Proportional to 212,986.57, 293,919.82 and 117,497.29

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Solution

The fourth proportional to 212,986.57, 293,919.82 and 117,497.29 is: 162,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,986.57 : 293,919.82 = 117,497.29 : x
  2. Step 2: Convert to fraction form
    212,986.57/293,919.82 = 117,497.29/x
  3. Step 3: Cross multiply
    212,986.57x = 293,919.82 × 117,497.29
  4. Step 4: Simplify right side
    212,986.57x = 34,534,782,327.29
  5. Step 5: Solve for x
    x = 34,534,782,327.29/212,986.57
  6. Step 6: Final answer
    x = 162,145.35

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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.