Home / 201,418.10-302,224.35-142,126.10

Finding the Fourth Proportional to 201,418.10, 302,224.35 and 142,126.10

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Solution

The fourth proportional to 201,418.10, 302,224.35 and 142,126.10 is: 213,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,418.10 : 302,224.35 = 142,126.10 : x
  2. Step 2: Convert to fraction form
    201,418.10/302,224.35 = 142,126.10/x
  3. Step 3: Cross multiply
    201,418.10x = 302,224.35 × 142,126.10
  4. Step 4: Simplify right side
    201,418.10x = 42,953,968,190.54
  5. Step 5: Solve for x
    x = 42,953,968,190.54/201,418.10
  6. Step 6: Final answer
    x = 213,257.74

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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.