Home / 213,190.96-319,622.04-80,068.32

Finding the Fourth Proportional to 213,190.96, 319,622.04 and 80,068.32

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Solution

The fourth proportional to 213,190.96, 319,622.04 and 80,068.32 is: 120,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,190.96 : 319,622.04 = 80,068.32 : x
  2. Step 2: Convert to fraction form
    213,190.96/319,622.04 = 80,068.32/x
  3. Step 3: Cross multiply
    213,190.96x = 319,622.04 × 80,068.32
  4. Step 4: Simplify right side
    213,190.96x = 25,591,599,777.77
  5. Step 5: Solve for x
    x = 25,591,599,777.77/213,190.96
  6. Step 6: Final answer
    x = 120,040.74

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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.