Home / 166,090.82-249,015.54-66,221.06

Finding the Fourth Proportional to 166,090.82, 249,015.54 and 66,221.06

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Solution

The fourth proportional to 166,090.82, 249,015.54 and 66,221.06 is: 99,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,090.82 : 249,015.54 = 66,221.06 : x
  2. Step 2: Convert to fraction form
    166,090.82/249,015.54 = 66,221.06/x
  3. Step 3: Cross multiply
    166,090.82x = 249,015.54 × 66,221.06
  4. Step 4: Simplify right side
    166,090.82x = 16,490,073,015.27
  5. Step 5: Solve for x
    x = 16,490,073,015.27/166,090.82
  6. Step 6: Final answer
    x = 99,283.47

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1.5x scale

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.