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Finding the Fourth Proportional to 176,660.91, 264,999.57 and 56,722.77

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Solution

The fourth proportional to 176,660.91, 264,999.57 and 56,722.77 is: 85,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,660.91 : 264,999.57 = 56,722.77 : x
  2. Step 2: Convert to fraction form
    176,660.91/264,999.57 = 56,722.77/x
  3. Step 3: Cross multiply
    176,660.91x = 264,999.57 × 56,722.77
  4. Step 4: Simplify right side
    176,660.91x = 15,031,509,659.21
  5. Step 5: Solve for x
    x = 15,031,509,659.21/176,660.91
  6. Step 6: Final answer
    x = 85,086.79

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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.