Home / 106,834.21-147,460.37-66,524.15

Finding the Fourth Proportional to 106,834.21, 147,460.37 and 66,524.15

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Solution

The fourth proportional to 106,834.21, 147,460.37 and 66,524.15 is: 91,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,834.21 : 147,460.37 = 66,524.15 : x
  2. Step 2: Convert to fraction form
    106,834.21/147,460.37 = 66,524.15/x
  3. Step 3: Cross multiply
    106,834.21x = 147,460.37 × 66,524.15
  4. Step 4: Simplify right side
    106,834.21x = 9,809,675,808.97
  5. Step 5: Solve for x
    x = 9,809,675,808.97/106,834.21
  6. Step 6: Final answer
    x = 91,821.49

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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.