Home / 196,709.39-294,991.79-70,315.53

Finding the Fourth Proportional to 196,709.39, 294,991.79 and 70,315.53

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Solution

The fourth proportional to 196,709.39, 294,991.79 and 70,315.53 is: 105,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,709.39 : 294,991.79 = 70,315.53 : x
  2. Step 2: Convert to fraction form
    196,709.39/294,991.79 = 70,315.53/x
  3. Step 3: Cross multiply
    196,709.39x = 294,991.79 × 70,315.53
  4. Step 4: Simplify right side
    196,709.39x = 20,742,504,059.50
  5. Step 5: Solve for x
    x = 20,742,504,059.50/196,709.39
  6. Step 6: Final answer
    x = 105,447.45

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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.