Home / 255,607.00-383,411.39-78,113.25

Finding the Fourth Proportional to 255,607.00, 383,411.39 and 78,113.25

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Solution

The fourth proportional to 255,607.00, 383,411.39 and 78,113.25 is: 117,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,607.00 : 383,411.39 = 78,113.25 : x
  2. Step 2: Convert to fraction form
    255,607.00/383,411.39 = 78,113.25/x
  3. Step 3: Cross multiply
    255,607.00x = 383,411.39 × 78,113.25
  4. Step 4: Simplify right side
    255,607.00x = 29,949,509,369.35
  5. Step 5: Solve for x
    x = 29,949,509,369.35/255,607.00
  6. Step 6: Final answer
    x = 117,170.15

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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.