Home / 190,143.83-285,197.18-49,902.46

Finding the Fourth Proportional to 190,143.83, 285,197.18 and 49,902.46

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Solution

The fourth proportional to 190,143.83, 285,197.18 and 49,902.46 is: 74,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,143.83 : 285,197.18 = 49,902.46 : x
  2. Step 2: Convert to fraction form
    190,143.83/285,197.18 = 49,902.46/x
  3. Step 3: Cross multiply
    190,143.83x = 285,197.18 × 49,902.46
  4. Step 4: Simplify right side
    190,143.83x = 14,232,039,191.56
  5. Step 5: Solve for x
    x = 14,232,039,191.56/190,143.83
  6. Step 6: Final answer
    x = 74,848.81

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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.