Home / 215,848.26-323,770.37-121,078.26

Finding the Fourth Proportional to 215,848.26, 323,770.37 and 121,078.26

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Solution

The fourth proportional to 215,848.26, 323,770.37 and 121,078.26 is: 181,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,848.26 : 323,770.37 = 121,078.26 : x
  2. Step 2: Convert to fraction form
    215,848.26/323,770.37 = 121,078.26/x
  3. Step 3: Cross multiply
    215,848.26x = 323,770.37 × 121,078.26
  4. Step 4: Simplify right side
    215,848.26x = 39,201,552,433.76
  5. Step 5: Solve for x
    x = 39,201,552,433.76/215,848.26
  6. Step 6: Final answer
    x = 181,616.25

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1.5x scale

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.