Home / 190,033.15-285,094.06-55,100.04

Finding the Fourth Proportional to 190,033.15, 285,094.06 and 55,100.04

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Solution

The fourth proportional to 190,033.15, 285,094.06 and 55,100.04 is: 82,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,033.15 : 285,094.06 = 55,100.04 : x
  2. Step 2: Convert to fraction form
    190,033.15/285,094.06 = 55,100.04/x
  3. Step 3: Cross multiply
    190,033.15x = 285,094.06 × 55,100.04
  4. Step 4: Simplify right side
    190,033.15x = 15,708,694,109.76
  5. Step 5: Solve for x
    x = 15,708,694,109.76/190,033.15
  6. Step 6: Final answer
    x = 82,662.91

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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.