Home / 166,490.60-249,966.30-131,469.80

Finding the Fourth Proportional to 166,490.60, 249,966.30 and 131,469.80

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Solution

The fourth proportional to 166,490.60, 249,966.30 and 131,469.80 is: 197,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,490.60 : 249,966.30 = 131,469.80 : x
  2. Step 2: Convert to fraction form
    166,490.60/249,966.30 = 131,469.80/x
  3. Step 3: Cross multiply
    166,490.60x = 249,966.30 × 131,469.80
  4. Step 4: Simplify right side
    166,490.60x = 32,863,019,467.74
  5. Step 5: Solve for x
    x = 32,863,019,467.74/166,490.60
  6. Step 6: Final answer
    x = 197,386.64

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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.