Home / 254,850.48-351,702.70-140,137.85

Finding the Fourth Proportional to 254,850.48, 351,702.70 and 140,137.85

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Solution

The fourth proportional to 254,850.48, 351,702.70 and 140,137.85 is: 193,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,850.48 : 351,702.70 = 140,137.85 : x
  2. Step 2: Convert to fraction form
    254,850.48/351,702.70 = 140,137.85/x
  3. Step 3: Cross multiply
    254,850.48x = 351,702.70 × 140,137.85
  4. Step 4: Simplify right side
    254,850.48x = 49,286,859,516.51
  5. Step 5: Solve for x
    x = 49,286,859,516.51/254,850.48
  6. Step 6: Final answer
    x = 193,395.20

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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.