Home / 166,815.20-249,882.60-103,440.80

Finding the Fourth Proportional to 166,815.20, 249,882.60 and 103,440.80

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Solution

The fourth proportional to 166,815.20, 249,882.60 and 103,440.80 is: 154,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,815.20 : 249,882.60 = 103,440.80 : x
  2. Step 2: Convert to fraction form
    166,815.20/249,882.60 = 103,440.80/x
  3. Step 3: Cross multiply
    166,815.20x = 249,882.60 × 103,440.80
  4. Step 4: Simplify right side
    166,815.20x = 25,848,056,050.08
  5. Step 5: Solve for x
    x = 25,848,056,050.08/166,815.20
  6. Step 6: Final answer
    x = 154,950.24

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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.