Home / 212,859.34-293,788.43-122,277.45

Finding the Fourth Proportional to 212,859.34, 293,788.43 and 122,277.45

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Solution

The fourth proportional to 212,859.34, 293,788.43 and 122,277.45 is: 168,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,859.34 : 293,788.43 = 122,277.45 : x
  2. Step 2: Convert to fraction form
    212,859.34/293,788.43 = 122,277.45/x
  3. Step 3: Cross multiply
    212,859.34x = 293,788.43 × 122,277.45
  4. Step 4: Simplify right side
    212,859.34x = 35,923,697,979.57
  5. Step 5: Solve for x
    x = 35,923,697,979.57/212,859.34
  6. Step 6: Final answer
    x = 168,767.31

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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.