Home / 166,631.40-249,968.70-82,434.60

Finding the Fourth Proportional to 166,631.40, 249,968.70 and 82,434.60

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Solution

The fourth proportional to 166,631.40, 249,968.70 and 82,434.60 is: 123,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,631.40 : 249,968.70 = 82,434.60 : x
  2. Step 2: Convert to fraction form
    166,631.40/249,968.70 = 82,434.60/x
  3. Step 3: Cross multiply
    166,631.40x = 249,968.70 × 82,434.60
  4. Step 4: Simplify right side
    166,631.40x = 20,606,069,797.02
  5. Step 5: Solve for x
    x = 20,606,069,797.02/166,631.40
  6. Step 6: Final answer
    x = 123,662.59

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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.