Home / 189,447.23-284,019.96-109,394.31

Finding the Fourth Proportional to 189,447.23, 284,019.96 and 109,394.31

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Solution

The fourth proportional to 189,447.23, 284,019.96 and 109,394.31 is: 164,004.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,447.23 : 284,019.96 = 109,394.31 : x
  2. Step 2: Convert to fraction form
    189,447.23/284,019.96 = 109,394.31/x
  3. Step 3: Cross multiply
    189,447.23x = 284,019.96 × 109,394.31
  4. Step 4: Simplify right side
    189,447.23x = 31,070,167,550.43
  5. Step 5: Solve for x
    x = 31,070,167,550.43/189,447.23
  6. Step 6: Final answer
    x = 164,004.34

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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.