Home / 222,271.58-306,715.37-131,611.32

Finding the Fourth Proportional to 222,271.58, 306,715.37 and 131,611.32

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Solution

The fourth proportional to 222,271.58, 306,715.37 and 131,611.32 is: 181,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,271.58 : 306,715.37 = 131,611.32 : x
  2. Step 2: Convert to fraction form
    222,271.58/306,715.37 = 131,611.32/x
  3. Step 3: Cross multiply
    222,271.58x = 306,715.37 × 131,611.32
  4. Step 4: Simplify right side
    222,271.58x = 40,367,214,709.99
  5. Step 5: Solve for x
    x = 40,367,214,709.99/222,271.58
  6. Step 6: Final answer
    x = 181,612.13

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1.5x scale

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.