Home / 189,392.24-284,014.56-70,999

Finding the Fourth Proportional to 189,392.24, 284,014.56 and 70,999

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Solution

The fourth proportional to 189,392.24, 284,014.56 and 70,999 is: 106,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,392.24 : 284,014.56 = 70,999 : x
  2. Step 2: Convert to fraction form
    189,392.24/284,014.56 = 70,999/x
  3. Step 3: Cross multiply
    189,392.24x = 284,014.56 × 70,999
  4. Step 4: Simplify right side
    189,392.24x = 20,164,749,745.44
  5. Step 5: Solve for x
    x = 20,164,749,745.44/189,392.24
  6. Step 6: Final answer
    x = 106,470.83

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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.