Home / 193,788.19-290,688.76-67,439.04

Finding the Fourth Proportional to 193,788.19, 290,688.76 and 67,439.04

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Solution

The fourth proportional to 193,788.19, 290,688.76 and 67,439.04 is: 101,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,788.19 : 290,688.76 = 67,439.04 : x
  2. Step 2: Convert to fraction form
    193,788.19/290,688.76 = 67,439.04/x
  3. Step 3: Cross multiply
    193,788.19x = 290,688.76 × 67,439.04
  4. Step 4: Simplify right side
    193,788.19x = 19,603,770,913.19
  5. Step 5: Solve for x
    x = 19,603,770,913.19/193,788.19
  6. Step 6: Final answer
    x = 101,160.82

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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.