Home / 111,011.64-166,542.03-51,814.98

Finding the Fourth Proportional to 111,011.64, 166,542.03 and 51,814.98

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Solution

The fourth proportional to 111,011.64, 166,542.03 and 51,814.98 is: 77,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,011.64 : 166,542.03 = 51,814.98 : x
  2. Step 2: Convert to fraction form
    111,011.64/166,542.03 = 51,814.98/x
  3. Step 3: Cross multiply
    111,011.64x = 166,542.03 × 51,814.98
  4. Step 4: Simplify right side
    111,011.64x = 8,629,371,953.61
  5. Step 5: Solve for x
    x = 8,629,371,953.61/111,011.64
  6. Step 6: Final answer
    x = 77,733.94

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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.