Home / 212,806.28-293,645.04-122,166.20

Finding the Fourth Proportional to 212,806.28, 293,645.04 and 122,166.20

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Solution

The fourth proportional to 212,806.28, 293,645.04 and 122,166.20 is: 168,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,806.28 : 293,645.04 = 122,166.20 : x
  2. Step 2: Convert to fraction form
    212,806.28/293,645.04 = 122,166.20/x
  3. Step 3: Cross multiply
    212,806.28x = 293,645.04 × 122,166.20
  4. Step 4: Simplify right side
    212,806.28x = 35,873,498,685.65
  5. Step 5: Solve for x
    x = 35,873,498,685.65/212,806.28
  6. Step 6: Final answer
    x = 168,573.50

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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.