Home / 254,431.26-351,099.41-139,709.45

Finding the Fourth Proportional to 254,431.26, 351,099.41 and 139,709.45

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Solution

The fourth proportional to 254,431.26, 351,099.41 and 139,709.45 is: 192,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,431.26 : 351,099.41 = 139,709.45 : x
  2. Step 2: Convert to fraction form
    254,431.26/351,099.41 = 139,709.45/x
  3. Step 3: Cross multiply
    254,431.26x = 351,099.41 × 139,709.45
  4. Step 4: Simplify right side
    254,431.26x = 49,051,905,645.63
  5. Step 5: Solve for x
    x = 49,051,905,645.63/254,431.26
  6. Step 6: Final answer
    x = 192,790.40

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1.5x scale

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.