Home / 166,063.60-249,095.40-47,738.80

Finding the Fourth Proportional to 166,063.60, 249,095.40 and 47,738.80

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Solution

The fourth proportional to 166,063.60, 249,095.40 and 47,738.80 is: 71,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,063.60 : 249,095.40 = 47,738.80 : x
  2. Step 2: Convert to fraction form
    166,063.60/249,095.40 = 47,738.80/x
  3. Step 3: Cross multiply
    166,063.60x = 249,095.40 × 47,738.80
  4. Step 4: Simplify right side
    166,063.60x = 11,891,515,481.52
  5. Step 5: Solve for x
    x = 11,891,515,481.52/166,063.60
  6. Step 6: Final answer
    x = 71,608.20

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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.