Home / 102,771.42-141,816.71-62,479.59

Finding the Fourth Proportional to 102,771.42, 141,816.71 and 62,479.59

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Solution

The fourth proportional to 102,771.42, 141,816.71 and 62,479.59 is: 86,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,771.42 : 141,816.71 = 62,479.59 : x
  2. Step 2: Convert to fraction form
    102,771.42/141,816.71 = 62,479.59/x
  3. Step 3: Cross multiply
    102,771.42x = 141,816.71 × 62,479.59
  4. Step 4: Simplify right side
    102,771.42x = 8,860,649,583.55
  5. Step 5: Solve for x
    x = 8,860,649,583.55/102,771.42
  6. Step 6: Final answer
    x = 86,217.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.