Home / 166,223.20-249,328.40-55,415.20

Finding the Fourth Proportional to 166,223.20, 249,328.40 and 55,415.20

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Solution

The fourth proportional to 166,223.20, 249,328.40 and 55,415.20 is: 83,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,223.20 : 249,328.40 = 55,415.20 : x
  2. Step 2: Convert to fraction form
    166,223.20/249,328.40 = 55,415.20/x
  3. Step 3: Cross multiply
    166,223.20x = 249,328.40 × 55,415.20
  4. Step 4: Simplify right side
    166,223.20x = 13,816,583,151.68
  5. Step 5: Solve for x
    x = 13,816,583,151.68/166,223.20
  6. Step 6: Final answer
    x = 83,120.67

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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.