Home / 149,058.22-205,700.17-85,396.27

Finding the Fourth Proportional to 149,058.22, 205,700.17 and 85,396.27

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Solution

The fourth proportional to 149,058.22, 205,700.17 and 85,396.27 is: 117,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,058.22 : 205,700.17 = 85,396.27 : x
  2. Step 2: Convert to fraction form
    149,058.22/205,700.17 = 85,396.27/x
  3. Step 3: Cross multiply
    149,058.22x = 205,700.17 × 85,396.27
  4. Step 4: Simplify right side
    149,058.22x = 17,566,027,256.37
  5. Step 5: Solve for x
    x = 17,566,027,256.37/149,058.22
  6. Step 6: Final answer
    x = 117,846.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.