Home / 152,936.82-211,045.68-84,958.20

Finding the Fourth Proportional to 152,936.82, 211,045.68 and 84,958.20

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Solution

The fourth proportional to 152,936.82, 211,045.68 and 84,958.20 is: 117,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,936.82 : 211,045.68 = 84,958.20 : x
  2. Step 2: Convert to fraction form
    152,936.82/211,045.68 = 84,958.20/x
  3. Step 3: Cross multiply
    152,936.82x = 211,045.68 × 84,958.20
  4. Step 4: Simplify right side
    152,936.82x = 17,930,061,090.58
  5. Step 5: Solve for x
    x = 17,930,061,090.58/152,936.82
  6. Step 6: Final answer
    x = 117,238.35

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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.