Home / 199,015.14-298,639.34-142,794.66

Finding the Fourth Proportional to 199,015.14, 298,639.34 and 142,794.66

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Solution

The fourth proportional to 199,015.14, 298,639.34 and 142,794.66 is: 214,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,015.14 : 298,639.34 = 142,794.66 : x
  2. Step 2: Convert to fraction form
    199,015.14/298,639.34 = 142,794.66/x
  3. Step 3: Cross multiply
    199,015.14x = 298,639.34 × 142,794.66
  4. Step 4: Simplify right side
    199,015.14x = 42,644,101,881.71
  5. Step 5: Solve for x
    x = 42,644,101,881.71/199,015.14
  6. Step 6: Final answer
    x = 214,275.67

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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.