Home / 275,115.95-379,663.89-166,205.14

Finding the Fourth Proportional to 275,115.95, 379,663.89 and 166,205.14

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Solution

The fourth proportional to 275,115.95, 379,663.89 and 166,205.14 is: 229,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,115.95 : 379,663.89 = 166,205.14 : x
  2. Step 2: Convert to fraction form
    275,115.95/379,663.89 = 166,205.14/x
  3. Step 3: Cross multiply
    275,115.95x = 379,663.89 × 166,205.14
  4. Step 4: Simplify right side
    275,115.95x = 63,102,089,841.71
  5. Step 5: Solve for x
    x = 63,102,089,841.71/275,115.95
  6. Step 6: Final answer
    x = 229,365.44

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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.