Home / 166,271.70-249,237.45-81,902.10

Finding the Fourth Proportional to 166,271.70, 249,237.45 and 81,902.10

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Solution

The fourth proportional to 166,271.70, 249,237.45 and 81,902.10 is: 122,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,271.70 : 249,237.45 = 81,902.10 : x
  2. Step 2: Convert to fraction form
    166,271.70/249,237.45 = 81,902.10/x
  3. Step 3: Cross multiply
    166,271.70x = 249,237.45 × 81,902.10
  4. Step 4: Simplify right side
    166,271.70x = 20,413,070,553.65
  5. Step 5: Solve for x
    x = 20,413,070,553.65/166,271.70
  6. Step 6: Final answer
    x = 122,769.36

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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.