Home / 255,455.32-383,182.94-77,963.24

Finding the Fourth Proportional to 255,455.32, 383,182.94 and 77,963.24

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Solution

The fourth proportional to 255,455.32, 383,182.94 and 77,963.24 is: 116,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,455.32 : 383,182.94 = 77,963.24 : x
  2. Step 2: Convert to fraction form
    255,455.32/383,182.94 = 77,963.24/x
  3. Step 3: Cross multiply
    255,455.32x = 383,182.94 × 77,963.24
  4. Step 4: Simplify right side
    255,455.32x = 29,874,183,515.13
  5. Step 5: Solve for x
    x = 29,874,183,515.13/255,455.32
  6. Step 6: Final answer
    x = 116,944.85

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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.