Home / 215,780.04-324,205.44-139,926.84

Finding the Fourth Proportional to 215,780.04, 324,205.44 and 139,926.84

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Solution

The fourth proportional to 215,780.04, 324,205.44 and 139,926.84 is: 210,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,780.04 : 324,205.44 = 139,926.84 : x
  2. Step 2: Convert to fraction form
    215,780.04/324,205.44 = 139,926.84/x
  3. Step 3: Cross multiply
    215,780.04x = 324,205.44 × 139,926.84
  4. Step 4: Simplify right side
    215,780.04x = 45,365,042,730.01
  5. Step 5: Solve for x
    x = 45,365,042,730.01/215,780.04
  6. Step 6: Final answer
    x = 210,237.44

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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.