Home / 166,408.20-249,612.30-157,222.80

Finding the Fourth Proportional to 166,408.20, 249,612.30 and 157,222.80

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Solution

The fourth proportional to 166,408.20, 249,612.30 and 157,222.80 is: 235,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,408.20 : 249,612.30 = 157,222.80 : x
  2. Step 2: Convert to fraction form
    166,408.20/249,612.30 = 157,222.80/x
  3. Step 3: Cross multiply
    166,408.20x = 249,612.30 × 157,222.80
  4. Step 4: Simplify right side
    166,408.20x = 39,244,744,720.44
  5. Step 5: Solve for x
    x = 39,244,744,720.44/166,408.20
  6. Step 6: Final answer
    x = 235,834.20

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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.