Home / 189,471.36-284,125.92-71,060.64

Finding the Fourth Proportional to 189,471.36, 284,125.92 and 71,060.64

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Solution

The fourth proportional to 189,471.36, 284,125.92 and 71,060.64 is: 106,560.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,471.36 : 284,125.92 = 71,060.64 : x
  2. Step 2: Convert to fraction form
    189,471.36/284,125.92 = 71,060.64/x
  3. Step 3: Cross multiply
    189,471.36x = 284,125.92 × 71,060.64
  4. Step 4: Simplify right side
    189,471.36x = 20,190,169,715.79
  5. Step 5: Solve for x
    x = 20,190,169,715.79/189,471.36
  6. Step 6: Final answer
    x = 106,560.54

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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.