Home / 166,528.62-229,811.31-91,075.50

Finding the Fourth Proportional to 166,528.62, 229,811.31 and 91,075.50

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Solution

The fourth proportional to 166,528.62, 229,811.31 and 91,075.50 is: 125,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,528.62 : 229,811.31 = 91,075.50 : x
  2. Step 2: Convert to fraction form
    166,528.62/229,811.31 = 91,075.50/x
  3. Step 3: Cross multiply
    166,528.62x = 229,811.31 × 91,075.50
  4. Step 4: Simplify right side
    166,528.62x = 20,930,179,963.91
  5. Step 5: Solve for x
    x = 20,930,179,963.91/166,528.62
  6. Step 6: Final answer
    x = 125,685.18

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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.