Home / 274,106.08-378,245.52-166,661.20

Finding the Fourth Proportional to 274,106.08, 378,245.52 and 166,661.20

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Solution

The fourth proportional to 274,106.08, 378,245.52 and 166,661.20 is: 229,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,106.08 : 378,245.52 = 166,661.20 : x
  2. Step 2: Convert to fraction form
    274,106.08/378,245.52 = 166,661.20/x
  3. Step 3: Cross multiply
    274,106.08x = 378,245.52 × 166,661.20
  4. Step 4: Simplify right side
    274,106.08x = 63,038,852,257.82
  5. Step 5: Solve for x
    x = 63,038,852,257.82/274,106.08
  6. Step 6: Final answer
    x = 229,979.77

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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.