Home / 166,072.20-249,140.70-71,302.20

Finding the Fourth Proportional to 166,072.20, 249,140.70 and 71,302.20

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Solution

The fourth proportional to 166,072.20, 249,140.70 and 71,302.20 is: 106,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,072.20 : 249,140.70 = 71,302.20 : x
  2. Step 2: Convert to fraction form
    166,072.20/249,140.70 = 71,302.20/x
  3. Step 3: Cross multiply
    166,072.20x = 249,140.70 × 71,302.20
  4. Step 4: Simplify right side
    166,072.20x = 17,764,280,019.54
  5. Step 5: Solve for x
    x = 17,764,280,019.54/166,072.20
  6. Step 6: Final answer
    x = 106,967.21

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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.