Home / 207,623.20-311,434.80-166,151.20

Finding the Fourth Proportional to 207,623.20, 311,434.80 and 166,151.20

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Solution

The fourth proportional to 207,623.20, 311,434.80 and 166,151.20 is: 249,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,623.20 : 311,434.80 = 166,151.20 : x
  2. Step 2: Convert to fraction form
    207,623.20/311,434.80 = 166,151.20/x
  3. Step 3: Cross multiply
    207,623.20x = 311,434.80 × 166,151.20
  4. Step 4: Simplify right side
    207,623.20x = 51,745,265,741.76
  5. Step 5: Solve for x
    x = 51,745,265,741.76/207,623.20
  6. Step 6: Final answer
    x = 249,226.80

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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.