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Finding the Fourth Proportional to 192,450, 265,585.80 and 107,581.20

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Solution

The fourth proportional to 192,450, 265,585.80 and 107,581.20 is: 148,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,450 : 265,585.80 = 107,581.20 : x
  2. Step 2: Convert to fraction form
    192,450/265,585.80 = 107,581.20/x
  3. Step 3: Cross multiply
    192,450x = 265,585.80 × 107,581.20
  4. Step 4: Simplify right side
    192,450x = 28,572,039,066.96
  5. Step 5: Solve for x
    x = 28,572,039,066.96/192,450
  6. Step 6: Final answer
    x = 148,464.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.