Home / 222,042.58-306,420.59-122,590.38

Finding the Fourth Proportional to 222,042.58, 306,420.59 and 122,590.38

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Solution

The fourth proportional to 222,042.58, 306,420.59 and 122,590.38 is: 169,175.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,042.58 : 306,420.59 = 122,590.38 : x
  2. Step 2: Convert to fraction form
    222,042.58/306,420.59 = 122,590.38/x
  3. Step 3: Cross multiply
    222,042.58x = 306,420.59 × 122,590.38
  4. Step 4: Simplify right side
    222,042.58x = 37,564,218,023.48
  5. Step 5: Solve for x
    x = 37,564,218,023.48/222,042.58
  6. Step 6: Final answer
    x = 169,175.74

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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.