Home / 189,912.36-284,667.66-71,532.48

Finding the Fourth Proportional to 189,912.36, 284,667.66 and 71,532.48

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Solution

The fourth proportional to 189,912.36, 284,667.66 and 71,532.48 is: 107,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,912.36 : 284,667.66 = 71,532.48 : x
  2. Step 2: Convert to fraction form
    189,912.36/284,667.66 = 71,532.48/x
  3. Step 3: Cross multiply
    189,912.36x = 284,667.66 × 71,532.48
  4. Step 4: Simplify right side
    189,912.36x = 20,362,983,695.60
  5. Step 5: Solve for x
    x = 20,362,983,695.60/189,912.36
  6. Step 6: Final answer
    x = 107,223.06

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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.