Home / 255,933.95-383,900.85-137,442.29

Finding the Fourth Proportional to 255,933.95, 383,900.85 and 137,442.29

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Solution

The fourth proportional to 255,933.95, 383,900.85 and 137,442.29 is: 206,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,933.95 : 383,900.85 = 137,442.29 : x
  2. Step 2: Convert to fraction form
    255,933.95/383,900.85 = 137,442.29/x
  3. Step 3: Cross multiply
    255,933.95x = 383,900.85 × 137,442.29
  4. Step 4: Simplify right side
    255,933.95x = 52,764,210,037.44
  5. Step 5: Solve for x
    x = 52,764,210,037.44/255,933.95
  6. Step 6: Final answer
    x = 206,163.39

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1.5x scale

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.