Home / 193,039.60-289,595.76-73,132.46

Finding the Fourth Proportional to 193,039.60, 289,595.76 and 73,132.46

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Solution

The fourth proportional to 193,039.60, 289,595.76 and 73,132.46 is: 109,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,039.60 : 289,595.76 = 73,132.46 : x
  2. Step 2: Convert to fraction form
    193,039.60/289,595.76 = 73,132.46/x
  3. Step 3: Cross multiply
    193,039.60x = 289,595.76 × 73,132.46
  4. Step 4: Simplify right side
    193,039.60x = 21,178,850,334.37
  5. Step 5: Solve for x
    x = 21,178,850,334.37/193,039.60
  6. Step 6: Final answer
    x = 109,712.46

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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.