Home / 212,788.33-293,674.50-122,172.70

Finding the Fourth Proportional to 212,788.33, 293,674.50 and 122,172.70

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Solution

The fourth proportional to 212,788.33, 293,674.50 and 122,172.70 is: 168,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,788.33 : 293,674.50 = 122,172.70 : x
  2. Step 2: Convert to fraction form
    212,788.33/293,674.50 = 122,172.70/x
  3. Step 3: Cross multiply
    212,788.33x = 293,674.50 × 122,172.70
  4. Step 4: Simplify right side
    212,788.33x = 35,879,006,586.15
  5. Step 5: Solve for x
    x = 35,879,006,586.15/212,788.33
  6. Step 6: Final answer
    x = 168,613.60

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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.