Home / 189,388.06-284,070.94-71,049.48

Finding the Fourth Proportional to 189,388.06, 284,070.94 and 71,049.48

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Solution

The fourth proportional to 189,388.06, 284,070.94 and 71,049.48 is: 106,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,388.06 : 284,070.94 = 71,049.48 : x
  2. Step 2: Convert to fraction form
    189,388.06/284,070.94 = 71,049.48/x
  3. Step 3: Cross multiply
    189,388.06x = 284,070.94 × 71,049.48
  4. Step 4: Simplify right side
    189,388.06x = 20,183,092,570.11
  5. Step 5: Solve for x
    x = 20,183,092,570.11/189,388.06
  6. Step 6: Final answer
    x = 106,570.04

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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.