Home / 201,460.26-302,147.19-83,100.90

Finding the Fourth Proportional to 201,460.26, 302,147.19 and 83,100.90

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Solution

The fourth proportional to 201,460.26, 302,147.19 and 83,100.90 is: 124,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,460.26 : 302,147.19 = 83,100.90 : x
  2. Step 2: Convert to fraction form
    201,460.26/302,147.19 = 83,100.90/x
  3. Step 3: Cross multiply
    201,460.26x = 302,147.19 × 83,100.90
  4. Step 4: Simplify right side
    201,460.26x = 25,108,703,421.47
  5. Step 5: Solve for x
    x = 25,108,703,421.47/201,460.26
  6. Step 6: Final answer
    x = 124,633.53

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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.