Home / 254,426.21-351,092.45-139,704.40

Finding the Fourth Proportional to 254,426.21, 351,092.45 and 139,704.40

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Solution

The fourth proportional to 254,426.21, 351,092.45 and 139,704.40 is: 192,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,426.21 : 351,092.45 = 139,704.40 : x
  2. Step 2: Convert to fraction form
    254,426.21/351,092.45 = 139,704.40/x
  3. Step 3: Cross multiply
    254,426.21x = 351,092.45 × 139,704.40
  4. Step 4: Simplify right side
    254,426.21x = 49,049,160,071.78
  5. Step 5: Solve for x
    x = 49,049,160,071.78/254,426.21
  6. Step 6: Final answer
    x = 192,783.44

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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.