Home / 166,136.40-249,204.60-103,150.80

Finding the Fourth Proportional to 166,136.40, 249,204.60 and 103,150.80

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Solution

The fourth proportional to 166,136.40, 249,204.60 and 103,150.80 is: 154,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,136.40 : 249,204.60 = 103,150.80 : x
  2. Step 2: Convert to fraction form
    166,136.40/249,204.60 = 103,150.80/x
  3. Step 3: Cross multiply
    166,136.40x = 249,204.60 × 103,150.80
  4. Step 4: Simplify right side
    166,136.40x = 25,705,653,853.68
  5. Step 5: Solve for x
    x = 25,705,653,853.68/166,136.40
  6. Step 6: Final answer
    x = 154,726.20

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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.