Home / 193,289.31-289,835.55-74,994.48

Finding the Fourth Proportional to 193,289.31, 289,835.55 and 74,994.48

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Solution

The fourth proportional to 193,289.31, 289,835.55 and 74,994.48 is: 112,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,289.31 : 289,835.55 = 74,994.48 : x
  2. Step 2: Convert to fraction form
    193,289.31/289,835.55 = 74,994.48/x
  3. Step 3: Cross multiply
    193,289.31x = 289,835.55 × 74,994.48
  4. Step 4: Simplify right side
    193,289.31x = 21,736,066,357.76
  5. Step 5: Solve for x
    x = 21,736,066,357.76/193,289.31
  6. Step 6: Final answer
    x = 112,453.54

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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.