Home / 195,948.21-294,053.40-71,289.21

Finding the Fourth Proportional to 195,948.21, 294,053.40 and 71,289.21

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Solution

The fourth proportional to 195,948.21, 294,053.40 and 71,289.21 is: 106,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,948.21 : 294,053.40 = 71,289.21 : x
  2. Step 2: Convert to fraction form
    195,948.21/294,053.40 = 71,289.21/x
  3. Step 3: Cross multiply
    195,948.21x = 294,053.40 × 71,289.21
  4. Step 4: Simplify right side
    195,948.21x = 20,962,834,583.81
  5. Step 5: Solve for x
    x = 20,962,834,583.81/195,948.21
  6. Step 6: Final answer
    x = 106,981.51

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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.