Home / 166,528.12-229,810.62-91,075

Finding the Fourth Proportional to 166,528.12, 229,810.62 and 91,075

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Solution

The fourth proportional to 166,528.12, 229,810.62 and 91,075 is: 125,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,528.12 : 229,810.62 = 91,075 : x
  2. Step 2: Convert to fraction form
    166,528.12/229,810.62 = 91,075/x
  3. Step 3: Cross multiply
    166,528.12x = 229,810.62 × 91,075
  4. Step 4: Simplify right side
    166,528.12x = 20,930,002,216.50
  5. Step 5: Solve for x
    x = 20,930,002,216.50/166,528.12
  6. Step 6: Final answer
    x = 125,684.49

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1.5x scale

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.