Home / 189,391.24-284,013.06-70,998

Finding the Fourth Proportional to 189,391.24, 284,013.06 and 70,998

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Solution

The fourth proportional to 189,391.24, 284,013.06 and 70,998 is: 106,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,391.24 : 284,013.06 = 70,998 : x
  2. Step 2: Convert to fraction form
    189,391.24/284,013.06 = 70,998/x
  3. Step 3: Cross multiply
    189,391.24x = 284,013.06 × 70,998
  4. Step 4: Simplify right side
    189,391.24x = 20,164,359,233.88
  5. Step 5: Solve for x
    x = 20,164,359,233.88/189,391.24
  6. Step 6: Final answer
    x = 106,469.33

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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.