Home / 255,264.50-383,025.92-105,612.18

Finding the Fourth Proportional to 255,264.50, 383,025.92 and 105,612.18

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Solution

The fourth proportional to 255,264.50, 383,025.92 and 105,612.18 is: 158,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,264.50 : 383,025.92 = 105,612.18 : x
  2. Step 2: Convert to fraction form
    255,264.50/383,025.92 = 105,612.18/x
  3. Step 3: Cross multiply
    255,264.50x = 383,025.92 × 105,612.18
  4. Step 4: Simplify right side
    255,264.50x = 40,452,201,879.64
  5. Step 5: Solve for x
    x = 40,452,201,879.64/255,264.50
  6. Step 6: Final answer
    x = 158,471.71

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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.