Home / 166,548.72-249,608.40-145,114.56

Finding the Fourth Proportional to 166,548.72, 249,608.40 and 145,114.56

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Solution

The fourth proportional to 166,548.72, 249,608.40 and 145,114.56 is: 217,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,548.72 : 249,608.40 = 145,114.56 : x
  2. Step 2: Convert to fraction form
    166,548.72/249,608.40 = 145,114.56/x
  3. Step 3: Cross multiply
    166,548.72x = 249,608.40 × 145,114.56
  4. Step 4: Simplify right side
    166,548.72x = 36,221,813,138.30
  5. Step 5: Solve for x
    x = 36,221,813,138.30/166,548.72
  6. Step 6: Final answer
    x = 217,484.79

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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.