Home / 190,146.06-285,197.49-49,915.62

Finding the Fourth Proportional to 190,146.06, 285,197.49 and 49,915.62

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Solution

The fourth proportional to 190,146.06, 285,197.49 and 49,915.62 is: 74,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,146.06 : 285,197.49 = 49,915.62 : x
  2. Step 2: Convert to fraction form
    190,146.06/285,197.49 = 49,915.62/x
  3. Step 3: Cross multiply
    190,146.06x = 285,197.49 × 49,915.62
  4. Step 4: Simplify right side
    190,146.06x = 14,235,809,535.79
  5. Step 5: Solve for x
    x = 14,235,809,535.79/190,146.06
  6. Step 6: Final answer
    x = 74,867.76

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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.