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Finding the Fourth Proportional to 190,500.32, 285,798 and 134,449.92

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Solution

The fourth proportional to 190,500.32, 285,798 and 134,449.92 is: 201,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,500.32 : 285,798 = 134,449.92 : x
  2. Step 2: Convert to fraction form
    190,500.32/285,798 = 134,449.92/x
  3. Step 3: Cross multiply
    190,500.32x = 285,798 × 134,449.92
  4. Step 4: Simplify right side
    190,500.32x = 38,425,518,236.16
  5. Step 5: Solve for x
    x = 38,425,518,236.16/190,500.32
  6. Step 6: Final answer
    x = 201,708.42

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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.