Home / 117,745.47-162,502.45-66,076.81

Finding the Fourth Proportional to 117,745.47, 162,502.45 and 66,076.81

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Solution

The fourth proportional to 117,745.47, 162,502.45 and 66,076.81 is: 91,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,745.47 : 162,502.45 = 66,076.81 : x
  2. Step 2: Convert to fraction form
    117,745.47/162,502.45 = 66,076.81/x
  3. Step 3: Cross multiply
    117,745.47x = 162,502.45 × 66,076.81
  4. Step 4: Simplify right side
    117,745.47x = 10,737,644,227.49
  5. Step 5: Solve for x
    x = 10,737,644,227.49/117,745.47
  6. Step 6: Final answer
    x = 91,193.69

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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.