Home / 255,741.10-383,722.30-137,274.10

Finding the Fourth Proportional to 255,741.10, 383,722.30 and 137,274.10

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Solution

The fourth proportional to 255,741.10, 383,722.30 and 137,274.10 is: 205,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,741.10 : 383,722.30 = 137,274.10 : x
  2. Step 2: Convert to fraction form
    255,741.10/383,722.30 = 137,274.10/x
  3. Step 3: Cross multiply
    255,741.10x = 383,722.30 × 137,274.10
  4. Step 4: Simplify right side
    255,741.10x = 52,675,133,382.43
  5. Step 5: Solve for x
    x = 52,675,133,382.43/255,741.10
  6. Step 6: Final answer
    x = 205,970.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.