Home / 220,202.60-330,210.95-68,381.06

Finding the Fourth Proportional to 220,202.60, 330,210.95 and 68,381.06

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Solution

The fourth proportional to 220,202.60, 330,210.95 and 68,381.06 is: 102,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,202.60 : 330,210.95 = 68,381.06 : x
  2. Step 2: Convert to fraction form
    220,202.60/330,210.95 = 68,381.06/x
  3. Step 3: Cross multiply
    220,202.60x = 330,210.95 × 68,381.06
  4. Step 4: Simplify right side
    220,202.60x = 22,580,172,791.65
  5. Step 5: Solve for x
    x = 22,580,172,791.65/220,202.60
  6. Step 6: Final answer
    x = 102,542.72

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1.5x scale

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.