Home / 114,335.17-171,561.31-54,431.42

Finding the Fourth Proportional to 114,335.17, 171,561.31 and 54,431.42

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Solution

The fourth proportional to 114,335.17, 171,561.31 and 54,431.42 is: 81,675.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,335.17 : 171,561.31 = 54,431.42 : x
  2. Step 2: Convert to fraction form
    114,335.17/171,561.31 = 54,431.42/x
  3. Step 3: Cross multiply
    114,335.17x = 171,561.31 × 54,431.42
  4. Step 4: Simplify right side
    114,335.17x = 9,338,325,720.36
  5. Step 5: Solve for x
    x = 9,338,325,720.36/114,335.17
  6. Step 6: Final answer
    x = 81,675.01

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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.