Home / 254,425.21-351,091.07-139,703.40

Finding the Fourth Proportional to 254,425.21, 351,091.07 and 139,703.40

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Solution

The fourth proportional to 254,425.21, 351,091.07 and 139,703.40 is: 192,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,425.21 : 351,091.07 = 139,703.40 : x
  2. Step 2: Convert to fraction form
    254,425.21/351,091.07 = 139,703.40/x
  3. Step 3: Cross multiply
    254,425.21x = 351,091.07 × 139,703.40
  4. Step 4: Simplify right side
    254,425.21x = 49,048,614,729.30
  5. Step 5: Solve for x
    x = 49,048,614,729.30/254,425.21
  6. Step 6: Final answer
    x = 192,782.05

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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.