Home / 222,123.62-306,570.06-131,529.88

Finding the Fourth Proportional to 222,123.62, 306,570.06 and 131,529.88

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Solution

The fourth proportional to 222,123.62, 306,570.06 and 131,529.88 is: 181,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,123.62 : 306,570.06 = 131,529.88 : x
  2. Step 2: Convert to fraction form
    222,123.62/306,570.06 = 131,529.88/x
  3. Step 3: Cross multiply
    222,123.62x = 306,570.06 × 131,529.88
  4. Step 4: Simplify right side
    222,123.62x = 40,323,123,203.39
  5. Step 5: Solve for x
    x = 40,323,123,203.39/222,123.62
  6. Step 6: Final answer
    x = 181,534.60

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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.