Home / 190,142.56-285,192.24-49,912.12

Finding the Fourth Proportional to 190,142.56, 285,192.24 and 49,912.12

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Solution

The fourth proportional to 190,142.56, 285,192.24 and 49,912.12 is: 74,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,142.56 : 285,192.24 = 49,912.12 : x
  2. Step 2: Convert to fraction form
    190,142.56/285,192.24 = 49,912.12/x
  3. Step 3: Cross multiply
    190,142.56x = 285,192.24 × 49,912.12
  4. Step 4: Simplify right side
    190,142.56x = 14,234,549,305.95
  5. Step 5: Solve for x
    x = 14,234,549,305.95/190,142.56
  6. Step 6: Final answer
    x = 74,862.51

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1.5x scale

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.