Home / 166,083.82-249,198.93-87,179.90

Finding the Fourth Proportional to 166,083.82, 249,198.93 and 87,179.90

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Solution

The fourth proportional to 166,083.82, 249,198.93 and 87,179.90 is: 130,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,083.82 : 249,198.93 = 87,179.90 : x
  2. Step 2: Convert to fraction form
    166,083.82/249,198.93 = 87,179.90/x
  3. Step 3: Cross multiply
    166,083.82x = 249,198.93 × 87,179.90
  4. Step 4: Simplify right side
    166,083.82x = 21,725,136,551.51
  5. Step 5: Solve for x
    x = 21,725,136,551.51/166,083.82
  6. Step 6: Final answer
    x = 130,808.27

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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.