Home / 201,764.20-302,531.10-83,295.40

Finding the Fourth Proportional to 201,764.20, 302,531.10 and 83,295.40

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Solution

The fourth proportional to 201,764.20, 302,531.10 and 83,295.40 is: 124,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,764.20 : 302,531.10 = 83,295.40 : x
  2. Step 2: Convert to fraction form
    201,764.20/302,531.10 = 83,295.40/x
  3. Step 3: Cross multiply
    201,764.20x = 302,531.10 × 83,295.40
  4. Step 4: Simplify right side
    201,764.20x = 25,199,448,986.94
  5. Step 5: Solve for x
    x = 25,199,448,986.94/201,764.20
  6. Step 6: Final answer
    x = 124,895.54

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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.