Home / 211,829.70-317,744.33-54,058.14

Finding the Fourth Proportional to 211,829.70, 317,744.33 and 54,058.14

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Solution

The fourth proportional to 211,829.70, 317,744.33 and 54,058.14 is: 81,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,829.70 : 317,744.33 = 54,058.14 : x
  2. Step 2: Convert to fraction form
    211,829.70/317,744.33 = 54,058.14/x
  3. Step 3: Cross multiply
    211,829.70x = 317,744.33 × 54,058.14
  4. Step 4: Simplify right side
    211,829.70x = 17,176,667,205.06
  5. Step 5: Solve for x
    x = 17,176,667,205.06/211,829.70
  6. Step 6: Final answer
    x = 81,087.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.