Home / 166,775.70-249,993.45-82,406.10

Finding the Fourth Proportional to 166,775.70, 249,993.45 and 82,406.10

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Solution

The fourth proportional to 166,775.70, 249,993.45 and 82,406.10 is: 123,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,775.70 : 249,993.45 = 82,406.10 : x
  2. Step 2: Convert to fraction form
    166,775.70/249,993.45 = 82,406.10/x
  3. Step 3: Cross multiply
    166,775.70x = 249,993.45 × 82,406.10
  4. Step 4: Simplify right side
    166,775.70x = 20,600,985,240.05
  5. Step 5: Solve for x
    x = 20,600,985,240.05/166,775.70
  6. Step 6: Final answer
    x = 123,525.10

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1.5x scale

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.