Home / 165,450.15-248,300.37-121,191.95

Finding the Fourth Proportional to 165,450.15, 248,300.37 and 121,191.95

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Solution

The fourth proportional to 165,450.15, 248,300.37 and 121,191.95 is: 181,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,450.15 : 248,300.37 = 121,191.95 : x
  2. Step 2: Convert to fraction form
    165,450.15/248,300.37 = 121,191.95/x
  3. Step 3: Cross multiply
    165,450.15x = 248,300.37 × 121,191.95
  4. Step 4: Simplify right side
    165,450.15x = 30,092,006,646.77
  5. Step 5: Solve for x
    x = 30,092,006,646.77/165,450.15
  6. Step 6: Final answer
    x = 181,879.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.