Home / 166,211.20-249,310.40-55,403.20

Finding the Fourth Proportional to 166,211.20, 249,310.40 and 55,403.20

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Solution

The fourth proportional to 166,211.20, 249,310.40 and 55,403.20 is: 83,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,211.20 : 249,310.40 = 55,403.20 : x
  2. Step 2: Convert to fraction form
    166,211.20/249,310.40 = 55,403.20/x
  3. Step 3: Cross multiply
    166,211.20x = 249,310.40 × 55,403.20
  4. Step 4: Simplify right side
    166,211.20x = 13,812,593,953.28
  5. Step 5: Solve for x
    x = 13,812,593,953.28/166,211.20
  6. Step 6: Final answer
    x = 83,102.67

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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.