Home / 445,917.52-668,873.80-108,960.04

Finding the Fourth Proportional to 445,917.52, 668,873.80 and 108,960.04

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Solution

The fourth proportional to 445,917.52, 668,873.80 and 108,960.04 is: 163,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,917.52 : 668,873.80 = 108,960.04 : x
  2. Step 2: Convert to fraction form
    445,917.52/668,873.80 = 108,960.04/x
  3. Step 3: Cross multiply
    445,917.52x = 668,873.80 × 108,960.04
  4. Step 4: Simplify right side
    445,917.52x = 72,880,516,002.95
  5. Step 5: Solve for x
    x = 72,880,516,002.95/445,917.52
  6. Step 6: Final answer
    x = 163,439.45

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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.