Home / 255,622.10-383,433.15-161,143.70

Finding the Fourth Proportional to 255,622.10, 383,433.15 and 161,143.70

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Solution

The fourth proportional to 255,622.10, 383,433.15 and 161,143.70 is: 241,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,622.10 : 383,433.15 = 161,143.70 : x
  2. Step 2: Convert to fraction form
    255,622.10/383,433.15 = 161,143.70/x
  3. Step 3: Cross multiply
    255,622.10x = 383,433.15 × 161,143.70
  4. Step 4: Simplify right side
    255,622.10x = 61,787,836,493.66
  5. Step 5: Solve for x
    x = 61,787,836,493.66/255,622.10
  6. Step 6: Final answer
    x = 241,715.55

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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.