Home / 166,384.20-249,406.20-82,014.60

Finding the Fourth Proportional to 166,384.20, 249,406.20 and 82,014.60

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Solution

The fourth proportional to 166,384.20, 249,406.20 and 82,014.60 is: 122,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,384.20 : 249,406.20 = 82,014.60 : x
  2. Step 2: Convert to fraction form
    166,384.20/249,406.20 = 82,014.60/x
  3. Step 3: Cross multiply
    166,384.20x = 249,406.20 × 82,014.60
  4. Step 4: Simplify right side
    166,384.20x = 20,454,949,730.52
  5. Step 5: Solve for x
    x = 20,454,949,730.52/166,384.20
  6. Step 6: Final answer
    x = 122,938.05

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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.