Home / 141,912.38-212,868.56-57,718.34

Finding the Fourth Proportional to 141,912.38, 212,868.56 and 57,718.34

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Solution

The fourth proportional to 141,912.38, 212,868.56 and 57,718.34 is: 86,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,912.38 : 212,868.56 = 57,718.34 : x
  2. Step 2: Convert to fraction form
    141,912.38/212,868.56 = 57,718.34/x
  3. Step 3: Cross multiply
    141,912.38x = 212,868.56 × 57,718.34
  4. Step 4: Simplify right side
    141,912.38x = 12,286,420,597.86
  5. Step 5: Solve for x
    x = 12,286,420,597.86/141,912.38
  6. Step 6: Final answer
    x = 86,577.51

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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.