Home / 222,154.52-306,254.34-158,381.60

Finding the Fourth Proportional to 222,154.52, 306,254.34 and 158,381.60

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Solution

The fourth proportional to 222,154.52, 306,254.34 and 158,381.60 is: 218,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,154.52 : 306,254.34 = 158,381.60 : x
  2. Step 2: Convert to fraction form
    222,154.52/306,254.34 = 158,381.60/x
  3. Step 3: Cross multiply
    222,154.52x = 306,254.34 × 158,381.60
  4. Step 4: Simplify right side
    222,154.52x = 48,505,052,376.14
  5. Step 5: Solve for x
    x = 48,505,052,376.14/222,154.52
  6. Step 6: Final answer
    x = 218,339.25

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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.