Home / 254,702.64-351,472.38-139,989.36

Finding the Fourth Proportional to 254,702.64, 351,472.38 and 139,989.36

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Solution

The fourth proportional to 254,702.64, 351,472.38 and 139,989.36 is: 193,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,702.64 : 351,472.38 = 139,989.36 : x
  2. Step 2: Convert to fraction form
    254,702.64/351,472.38 = 139,989.36/x
  3. Step 3: Cross multiply
    254,702.64x = 351,472.38 × 139,989.36
  4. Step 4: Simplify right side
    254,702.64x = 49,202,393,533.88
  5. Step 5: Solve for x
    x = 49,202,393,533.88/254,702.64
  6. Step 6: Final answer
    x = 193,175.83

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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.