Home / 212,949.33-293,869.45-122,311.14

Finding the Fourth Proportional to 212,949.33, 293,869.45 and 122,311.14

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Solution

The fourth proportional to 212,949.33, 293,869.45 and 122,311.14 is: 168,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,949.33 : 293,869.45 = 122,311.14 : x
  2. Step 2: Convert to fraction form
    212,949.33/293,869.45 = 122,311.14/x
  3. Step 3: Cross multiply
    212,949.33x = 293,869.45 × 122,311.14
  4. Step 4: Simplify right side
    212,949.33x = 35,943,507,440.67
  5. Step 5: Solve for x
    x = 35,943,507,440.67/212,949.33
  6. Step 6: Final answer
    x = 168,789.01

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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.