Home / 166,033.98-249,050.16-77,238.54

Finding the Fourth Proportional to 166,033.98, 249,050.16 and 77,238.54

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Solution

The fourth proportional to 166,033.98, 249,050.16 and 77,238.54 is: 115,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,033.98 : 249,050.16 = 77,238.54 : x
  2. Step 2: Convert to fraction form
    166,033.98/249,050.16 = 77,238.54/x
  3. Step 3: Cross multiply
    166,033.98x = 249,050.16 × 77,238.54
  4. Step 4: Simplify right side
    166,033.98x = 19,236,270,745.17
  5. Step 5: Solve for x
    x = 19,236,270,745.17/166,033.98
  6. Step 6: Final answer
    x = 115,857.43

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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.