Home / 166,239.84-249,359.22-47,911.80

Finding the Fourth Proportional to 166,239.84, 249,359.22 and 47,911.80

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Solution

The fourth proportional to 166,239.84, 249,359.22 and 47,911.80 is: 71,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,239.84 : 249,359.22 = 47,911.80 : x
  2. Step 2: Convert to fraction form
    166,239.84/249,359.22 = 47,911.80/x
  3. Step 3: Cross multiply
    166,239.84x = 249,359.22 × 47,911.80
  4. Step 4: Simplify right side
    166,239.84x = 11,947,249,076.80
  5. Step 5: Solve for x
    x = 11,947,249,076.80/166,239.84
  6. Step 6: Final answer
    x = 71,867.54

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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.