Home / 222,252.34-306,705.86-120,275.58

Finding the Fourth Proportional to 222,252.34, 306,705.86 and 120,275.58

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Solution

The fourth proportional to 222,252.34, 306,705.86 and 120,275.58 is: 165,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,252.34 : 306,705.86 = 120,275.58 : x
  2. Step 2: Convert to fraction form
    222,252.34/306,705.86 = 120,275.58/x
  3. Step 3: Cross multiply
    222,252.34x = 306,705.86 × 120,275.58
  4. Step 4: Simplify right side
    222,252.34x = 36,889,225,200.90
  5. Step 5: Solve for x
    x = 36,889,225,200.90/222,252.34
  6. Step 6: Final answer
    x = 165,979.02

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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.