Home / 166,164.20-249,246.30-121,549.40

Finding the Fourth Proportional to 166,164.20, 249,246.30 and 121,549.40

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Solution

The fourth proportional to 166,164.20, 249,246.30 and 121,549.40 is: 182,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,164.20 : 249,246.30 = 121,549.40 : x
  2. Step 2: Convert to fraction form
    166,164.20/249,246.30 = 121,549.40/x
  3. Step 3: Cross multiply
    166,164.20x = 249,246.30 × 121,549.40
  4. Step 4: Simplify right side
    166,164.20x = 30,295,738,217.22
  5. Step 5: Solve for x
    x = 30,295,738,217.22/166,164.20
  6. Step 6: Final answer
    x = 182,324.10

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1.5x scale

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.