Home / 166,176.20-249,094.20-81,806.60

Finding the Fourth Proportional to 166,176.20, 249,094.20 and 81,806.60

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Solution

The fourth proportional to 166,176.20, 249,094.20 and 81,806.60 is: 122,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,176.20 : 249,094.20 = 81,806.60 : x
  2. Step 2: Convert to fraction form
    166,176.20/249,094.20 = 81,806.60/x
  3. Step 3: Cross multiply
    166,176.20x = 249,094.20 × 81,806.60
  4. Step 4: Simplify right side
    166,176.20x = 20,377,549,581.72
  5. Step 5: Solve for x
    x = 20,377,549,581.72/166,176.20
  6. Step 6: Final answer
    x = 122,626.16

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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.