Home / 179,333.40-268,416.90-139,675.80

Finding the Fourth Proportional to 179,333.40, 268,416.90 and 139,675.80

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Solution

The fourth proportional to 179,333.40, 268,416.90 and 139,675.80 is: 209,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,333.40 : 268,416.90 = 139,675.80 : x
  2. Step 2: Convert to fraction form
    179,333.40/268,416.90 = 139,675.80/x
  3. Step 3: Cross multiply
    179,333.40x = 268,416.90 × 139,675.80
  4. Step 4: Simplify right side
    179,333.40x = 37,491,345,241.02
  5. Step 5: Solve for x
    x = 37,491,345,241.02/179,333.40
  6. Step 6: Final answer
    x = 209,059.47

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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.