Home / 190,346.40-285,534.18-50,103

Finding the Fourth Proportional to 190,346.40, 285,534.18 and 50,103

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Solution

The fourth proportional to 190,346.40, 285,534.18 and 50,103 is: 75,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,346.40 : 285,534.18 = 50,103 : x
  2. Step 2: Convert to fraction form
    190,346.40/285,534.18 = 50,103/x
  3. Step 3: Cross multiply
    190,346.40x = 285,534.18 × 50,103
  4. Step 4: Simplify right side
    190,346.40x = 14,306,119,020.54
  5. Step 5: Solve for x
    x = 14,306,119,020.54/190,346.40
  6. Step 6: Final answer
    x = 75,158.34

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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.