Home / 166,009.64-249,014.18-66,239.88

Finding the Fourth Proportional to 166,009.64, 249,014.18 and 66,239.88

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Solution

The fourth proportional to 166,009.64, 249,014.18 and 66,239.88 is: 99,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,009.64 : 249,014.18 = 66,239.88 : x
  2. Step 2: Convert to fraction form
    166,009.64/249,014.18 = 66,239.88/x
  3. Step 3: Cross multiply
    166,009.64x = 249,014.18 × 66,239.88
  4. Step 4: Simplify right side
    166,009.64x = 16,494,669,401.50
  5. Step 5: Solve for x
    x = 16,494,669,401.50/166,009.64
  6. Step 6: Final answer
    x = 99,359.71

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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.