Home / 222,162.18-306,582.54-120,187.32

Finding the Fourth Proportional to 222,162.18, 306,582.54 and 120,187.32

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Solution

The fourth proportional to 222,162.18, 306,582.54 and 120,187.32 is: 165,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,162.18 : 306,582.54 = 120,187.32 : x
  2. Step 2: Convert to fraction form
    222,162.18/306,582.54 = 120,187.32/x
  3. Step 3: Cross multiply
    222,162.18x = 306,582.54 × 120,187.32
  4. Step 4: Simplify right side
    222,162.18x = 36,847,333,841.39
  5. Step 5: Solve for x
    x = 36,847,333,841.39/222,162.18
  6. Step 6: Final answer
    x = 165,857.82

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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.