Home / 207,618.20-311,427.30-166,146.20

Finding the Fourth Proportional to 207,618.20, 311,427.30 and 166,146.20

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Solution

The fourth proportional to 207,618.20, 311,427.30 and 166,146.20 is: 249,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,618.20 : 311,427.30 = 166,146.20 : x
  2. Step 2: Convert to fraction form
    207,618.20/311,427.30 = 166,146.20/x
  3. Step 3: Cross multiply
    207,618.20x = 311,427.30 × 166,146.20
  4. Step 4: Simplify right side
    207,618.20x = 51,742,462,471.26
  5. Step 5: Solve for x
    x = 51,742,462,471.26/207,618.20
  6. Step 6: Final answer
    x = 249,219.30

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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.