Home / 113,860.12-170,894.34-57,738.96

Finding the Fourth Proportional to 113,860.12, 170,894.34 and 57,738.96

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Solution

The fourth proportional to 113,860.12, 170,894.34 and 57,738.96 is: 86,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,860.12 : 170,894.34 = 57,738.96 : x
  2. Step 2: Convert to fraction form
    113,860.12/170,894.34 = 57,738.96/x
  3. Step 3: Cross multiply
    113,860.12x = 170,894.34 × 57,738.96
  4. Step 4: Simplify right side
    113,860.12x = 9,867,262,426.03
  5. Step 5: Solve for x
    x = 9,867,262,426.03/113,860.12
  6. Step 6: Final answer
    x = 86,661.27

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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.