Home / 166,478.66-249,754.97-77,683.73

Finding the Fourth Proportional to 166,478.66, 249,754.97 and 77,683.73

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Solution

The fourth proportional to 166,478.66, 249,754.97 and 77,683.73 is: 116,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,478.66 : 249,754.97 = 77,683.73 : x
  2. Step 2: Convert to fraction form
    166,478.66/249,754.97 = 77,683.73/x
  3. Step 3: Cross multiply
    166,478.66x = 249,754.97 × 77,683.73
  4. Step 4: Simplify right side
    166,478.66x = 19,401,896,382.59
  5. Step 5: Solve for x
    x = 19,401,896,382.59/166,478.66
  6. Step 6: Final answer
    x = 116,542.84

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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.