Home / 197,419.32-272,437.83-106,775.37

Finding the Fourth Proportional to 197,419.32, 272,437.83 and 106,775.37

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Solution

The fourth proportional to 197,419.32, 272,437.83 and 106,775.37 is: 147,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,419.32 : 272,437.83 = 106,775.37 : x
  2. Step 2: Convert to fraction form
    197,419.32/272,437.83 = 106,775.37/x
  3. Step 3: Cross multiply
    197,419.32x = 272,437.83 × 106,775.37
  4. Step 4: Simplify right side
    197,419.32x = 29,089,650,100.25
  5. Step 5: Solve for x
    x = 29,089,650,100.25/197,419.32
  6. Step 6: Final answer
    x = 147,349.56

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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.