Home / 162,211.87-222,226.55-156,147.21

Finding the Fourth Proportional to 162,211.87, 222,226.55 and 156,147.21

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Solution

The fourth proportional to 162,211.87, 222,226.55 and 156,147.21 is: 213,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,211.87 : 222,226.55 = 156,147.21 : x
  2. Step 2: Convert to fraction form
    162,211.87/222,226.55 = 156,147.21/x
  3. Step 3: Cross multiply
    162,211.87x = 222,226.55 × 156,147.21
  4. Step 4: Simplify right side
    162,211.87x = 34,700,055,770.43
  5. Step 5: Solve for x
    x = 34,700,055,770.43/162,211.87
  6. Step 6: Final answer
    x = 213,918.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.