Home / 166,325.80-249,645.30-87,496.60

Finding the Fourth Proportional to 166,325.80, 249,645.30 and 87,496.60

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Solution

The fourth proportional to 166,325.80, 249,645.30 and 87,496.60 is: 131,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,325.80 : 249,645.30 = 87,496.60 : x
  2. Step 2: Convert to fraction form
    166,325.80/249,645.30 = 87,496.60/x
  3. Step 3: Cross multiply
    166,325.80x = 249,645.30 × 87,496.60
  4. Step 4: Simplify right side
    166,325.80x = 21,843,114,955.98
  5. Step 5: Solve for x
    x = 21,843,114,955.98/166,325.80
  6. Step 6: Final answer
    x = 131,327.28

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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.