Home / 306,086.20-459,129.30-166,118.20

Finding the Fourth Proportional to 306,086.20, 459,129.30 and 166,118.20

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Solution

The fourth proportional to 306,086.20, 459,129.30 and 166,118.20 is: 249,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,086.20 : 459,129.30 = 166,118.20 : x
  2. Step 2: Convert to fraction form
    306,086.20/459,129.30 = 166,118.20/x
  3. Step 3: Cross multiply
    306,086.20x = 459,129.30 × 166,118.20
  4. Step 4: Simplify right side
    306,086.20x = 76,269,732,883.26
  5. Step 5: Solve for x
    x = 76,269,732,883.26/306,086.20
  6. Step 6: Final answer
    x = 249,177.30

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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.