Home / 259,550.20-389,325.30-93,316.60

Finding the Fourth Proportional to 259,550.20, 389,325.30 and 93,316.60

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Solution

The fourth proportional to 259,550.20, 389,325.30 and 93,316.60 is: 139,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,550.20 : 389,325.30 = 93,316.60 : x
  2. Step 2: Convert to fraction form
    259,550.20/389,325.30 = 93,316.60/x
  3. Step 3: Cross multiply
    259,550.20x = 389,325.30 × 93,316.60
  4. Step 4: Simplify right side
    259,550.20x = 36,330,513,289.98
  5. Step 5: Solve for x
    x = 36,330,513,289.98/259,550.20
  6. Step 6: Final answer
    x = 139,974.90

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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.