Home / 132,923.21-183,330.37-85,181

Finding the Fourth Proportional to 132,923.21, 183,330.37 and 85,181

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Solution

The fourth proportional to 132,923.21, 183,330.37 and 85,181 is: 117,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,923.21 : 183,330.37 = 85,181 : x
  2. Step 2: Convert to fraction form
    132,923.21/183,330.37 = 85,181/x
  3. Step 3: Cross multiply
    132,923.21x = 183,330.37 × 85,181
  4. Step 4: Simplify right side
    132,923.21x = 15,616,264,246.97
  5. Step 5: Solve for x
    x = 15,616,264,246.97/132,923.21
  6. Step 6: Final answer
    x = 117,483.35

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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.