Home / 201,314.04-301,749.63-82,920.80

Finding the Fourth Proportional to 201,314.04, 301,749.63 and 82,920.80

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Solution

The fourth proportional to 201,314.04, 301,749.63 and 82,920.80 is: 124,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,314.04 : 301,749.63 = 82,920.80 : x
  2. Step 2: Convert to fraction form
    201,314.04/301,749.63 = 82,920.80/x
  3. Step 3: Cross multiply
    201,314.04x = 301,749.63 × 82,920.80
  4. Step 4: Simplify right side
    201,314.04x = 25,021,318,795.95
  5. Step 5: Solve for x
    x = 25,021,318,795.95/201,314.04
  6. Step 6: Final answer
    x = 124,289.98

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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.