Home / 149,561.24-206,389.62-85,026.51

Finding the Fourth Proportional to 149,561.24, 206,389.62 and 85,026.51

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Solution

The fourth proportional to 149,561.24, 206,389.62 and 85,026.51 is: 117,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,561.24 : 206,389.62 = 85,026.51 : x
  2. Step 2: Convert to fraction form
    149,561.24/206,389.62 = 85,026.51/x
  3. Step 3: Cross multiply
    149,561.24x = 206,389.62 × 85,026.51
  4. Step 4: Simplify right side
    149,561.24x = 17,548,589,088.83
  5. Step 5: Solve for x
    x = 17,548,589,088.83/149,561.24
  6. Step 6: Final answer
    x = 117,333.81

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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.