Home / 190,272.80-285,203.19-123,760.46

Finding the Fourth Proportional to 190,272.80, 285,203.19 and 123,760.46

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Solution

The fourth proportional to 190,272.80, 285,203.19 and 123,760.46 is: 185,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,272.80 : 285,203.19 = 123,760.46 : x
  2. Step 2: Convert to fraction form
    190,272.80/285,203.19 = 123,760.46/x
  3. Step 3: Cross multiply
    190,272.80x = 285,203.19 × 123,760.46
  4. Step 4: Simplify right side
    190,272.80x = 35,296,877,987.87
  5. Step 5: Solve for x
    x = 35,296,877,987.87/190,272.80
  6. Step 6: Final answer
    x = 185,506.69

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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.