Home / 166,904.88-230,255.64-99,798

Finding the Fourth Proportional to 166,904.88, 230,255.64 and 99,798

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Solution

The fourth proportional to 166,904.88, 230,255.64 and 99,798 is: 137,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,904.88 : 230,255.64 = 99,798 : x
  2. Step 2: Convert to fraction form
    166,904.88/230,255.64 = 99,798/x
  3. Step 3: Cross multiply
    166,904.88x = 230,255.64 × 99,798
  4. Step 4: Simplify right side
    166,904.88x = 22,979,052,360.72
  5. Step 5: Solve for x
    x = 22,979,052,360.72/166,904.88
  6. Step 6: Final answer
    x = 137,677.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.