Home / 166,041.30-249,181.62-66,143.70

Finding the Fourth Proportional to 166,041.30, 249,181.62 and 66,143.70

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Solution

The fourth proportional to 166,041.30, 249,181.62 and 66,143.70 is: 99,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,041.30 : 249,181.62 = 66,143.70 : x
  2. Step 2: Convert to fraction form
    166,041.30/249,181.62 = 66,143.70/x
  3. Step 3: Cross multiply
    166,041.30x = 249,181.62 × 66,143.70
  4. Step 4: Simplify right side
    166,041.30x = 16,481,794,318.79
  5. Step 5: Solve for x
    x = 16,481,794,318.79/166,041.30
  6. Step 6: Final answer
    x = 99,263.22

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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.