Home / 166,090.07-249,014.41-66,220.31

Finding the Fourth Proportional to 166,090.07, 249,014.41 and 66,220.31

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Solution

The fourth proportional to 166,090.07, 249,014.41 and 66,220.31 is: 99,282.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,090.07 : 249,014.41 = 66,220.31 : x
  2. Step 2: Convert to fraction form
    166,090.07/249,014.41 = 66,220.31/x
  3. Step 3: Cross multiply
    166,090.07x = 249,014.41 × 66,220.31
  4. Step 4: Simplify right side
    166,090.07x = 16,489,811,424.67
  5. Step 5: Solve for x
    x = 16,489,811,424.67/166,090.07
  6. Step 6: Final answer
    x = 99,282.34

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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.