Home / 190,124.68-285,091.02-111,262.60

Finding the Fourth Proportional to 190,124.68, 285,091.02 and 111,262.60

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Solution

The fourth proportional to 190,124.68, 285,091.02 and 111,262.60 is: 166,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,124.68 : 285,091.02 = 111,262.60 : x
  2. Step 2: Convert to fraction form
    190,124.68/285,091.02 = 111,262.60/x
  3. Step 3: Cross multiply
    190,124.68x = 285,091.02 × 111,262.60
  4. Step 4: Simplify right side
    190,124.68x = 31,719,968,121.85
  5. Step 5: Solve for x
    x = 31,719,968,121.85/190,124.68
  6. Step 6: Final answer
    x = 166,837.72

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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.