Home / 179,285.40-268,344.90-139,627.80

Finding the Fourth Proportional to 179,285.40, 268,344.90 and 139,627.80

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Solution

The fourth proportional to 179,285.40, 268,344.90 and 139,627.80 is: 208,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,285.40 : 268,344.90 = 139,627.80 : x
  2. Step 2: Convert to fraction form
    179,285.40/268,344.90 = 139,627.80/x
  3. Step 3: Cross multiply
    179,285.40x = 268,344.90 × 139,627.80
  4. Step 4: Simplify right side
    179,285.40x = 37,468,408,028.22
  5. Step 5: Solve for x
    x = 37,468,408,028.22/179,285.40
  6. Step 6: Final answer
    x = 208,987.50

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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.