Home / 185,015.51-277,620.53-131,326.67

Finding the Fourth Proportional to 185,015.51, 277,620.53 and 131,326.67

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Solution

The fourth proportional to 185,015.51, 277,620.53 and 131,326.67 is: 197,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,015.51 : 277,620.53 = 131,326.67 : x
  2. Step 2: Convert to fraction form
    185,015.51/277,620.53 = 131,326.67/x
  3. Step 3: Cross multiply
    185,015.51x = 277,620.53 × 131,326.67
  4. Step 4: Simplify right side
    185,015.51x = 36,458,980,866.18
  5. Step 5: Solve for x
    x = 36,458,980,866.18/185,015.51
  6. Step 6: Final answer
    x = 197,059.05

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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.