Home / 166,528.81-229,811.57-91,075.69

Finding the Fourth Proportional to 166,528.81, 229,811.57 and 91,075.69

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Solution

The fourth proportional to 166,528.81, 229,811.57 and 91,075.69 is: 125,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,528.81 : 229,811.57 = 91,075.69 : x
  2. Step 2: Convert to fraction form
    166,528.81/229,811.57 = 91,075.69/x
  3. Step 3: Cross multiply
    166,528.81x = 229,811.57 × 91,075.69
  4. Step 4: Simplify right side
    166,528.81x = 20,930,246,960.89
  5. Step 5: Solve for x
    x = 20,930,246,960.89/166,528.81
  6. Step 6: Final answer
    x = 125,685.44

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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.