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Finding the Fourth Proportional to 201,703.35, 302,555.03 and 83,605.35

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Solution

The fourth proportional to 201,703.35, 302,555.03 and 83,605.35 is: 125,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,703.35 : 302,555.03 = 83,605.35 : x
  2. Step 2: Convert to fraction form
    201,703.35/302,555.03 = 83,605.35/x
  3. Step 3: Cross multiply
    201,703.35x = 302,555.03 × 83,605.35
  4. Step 4: Simplify right side
    201,703.35x = 25,295,218,759.38
  5. Step 5: Solve for x
    x = 25,295,218,759.38/201,703.35
  6. Step 6: Final answer
    x = 125,408.03

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1.5x scale

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.