Home / 221,666.20-332,280.60-109,254.40

Finding the Fourth Proportional to 221,666.20, 332,280.60 and 109,254.40

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Solution

The fourth proportional to 221,666.20, 332,280.60 and 109,254.40 is: 163,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,666.20 : 332,280.60 = 109,254.40 : x
  2. Step 2: Convert to fraction form
    221,666.20/332,280.60 = 109,254.40/x
  3. Step 3: Cross multiply
    221,666.20x = 332,280.60 × 109,254.40
  4. Step 4: Simplify right side
    221,666.20x = 36,303,117,584.64
  5. Step 5: Solve for x
    x = 36,303,117,584.64/221,666.20
  6. Step 6: Final answer
    x = 163,773.81

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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.