Home / 250,054.40-374,982.78-81,533.30

Finding the Fourth Proportional to 250,054.40, 374,982.78 and 81,533.30

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Solution

The fourth proportional to 250,054.40, 374,982.78 and 81,533.30 is: 122,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,054.40 : 374,982.78 = 81,533.30 : x
  2. Step 2: Convert to fraction form
    250,054.40/374,982.78 = 81,533.30/x
  3. Step 3: Cross multiply
    250,054.40x = 374,982.78 × 81,533.30
  4. Step 4: Simplify right side
    250,054.40x = 30,573,583,496.57
  5. Step 5: Solve for x
    x = 30,573,583,496.57/250,054.40
  6. Step 6: Final answer
    x = 122,267.73

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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.