Home / 189,449.23-284,022.96-109,396.31

Finding the Fourth Proportional to 189,449.23, 284,022.96 and 109,396.31

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Solution

The fourth proportional to 189,449.23, 284,022.96 and 109,396.31 is: 164,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,449.23 : 284,022.96 = 109,396.31 : x
  2. Step 2: Convert to fraction form
    189,449.23/284,022.96 = 109,396.31/x
  3. Step 3: Cross multiply
    189,449.23x = 284,022.96 × 109,396.31
  4. Step 4: Simplify right side
    189,449.23x = 31,071,063,779.28
  5. Step 5: Solve for x
    x = 31,071,063,779.28/189,449.23
  6. Step 6: Final answer
    x = 164,007.34

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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.