Home / 190,904.20-285,773.10-148,913.80

Finding the Fourth Proportional to 190,904.20, 285,773.10 and 148,913.80

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Solution

The fourth proportional to 190,904.20, 285,773.10 and 148,913.80 is: 222,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,904.20 : 285,773.10 = 148,913.80 : x
  2. Step 2: Convert to fraction form
    190,904.20/285,773.10 = 148,913.80/x
  3. Step 3: Cross multiply
    190,904.20x = 285,773.10 × 148,913.80
  4. Step 4: Simplify right side
    190,904.20x = 42,555,558,258.78
  5. Step 5: Solve for x
    x = 42,555,558,258.78/190,904.20
  6. Step 6: Final answer
    x = 222,915.78

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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.