Home / 189,960.86-284,753.36-89,945.30

Finding the Fourth Proportional to 189,960.86, 284,753.36 and 89,945.30

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Solution

The fourth proportional to 189,960.86, 284,753.36 and 89,945.30 is: 134,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,960.86 : 284,753.36 = 89,945.30 : x
  2. Step 2: Convert to fraction form
    189,960.86/284,753.36 = 89,945.30/x
  3. Step 3: Cross multiply
    189,960.86x = 284,753.36 × 89,945.30
  4. Step 4: Simplify right side
    189,960.86x = 25,612,226,391.21
  5. Step 5: Solve for x
    x = 25,612,226,391.21/189,960.86
  6. Step 6: Final answer
    x = 134,828.97

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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.