Home / 111,015.64-166,548.03-51,818.98

Finding the Fourth Proportional to 111,015.64, 166,548.03 and 51,818.98

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Solution

The fourth proportional to 111,015.64, 166,548.03 and 51,818.98 is: 77,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,015.64 : 166,548.03 = 51,818.98 : x
  2. Step 2: Convert to fraction form
    111,015.64/166,548.03 = 51,818.98/x
  3. Step 3: Cross multiply
    111,015.64x = 166,548.03 × 51,818.98
  4. Step 4: Simplify right side
    111,015.64x = 8,630,349,035.61
  5. Step 5: Solve for x
    x = 8,630,349,035.61/111,015.64
  6. Step 6: Final answer
    x = 77,739.94

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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.