Home / 445,981.62-668,966.55-109,025.22

Finding the Fourth Proportional to 445,981.62, 668,966.55 and 109,025.22

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Solution

The fourth proportional to 445,981.62, 668,966.55 and 109,025.22 is: 163,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,981.62 : 668,966.55 = 109,025.22 : x
  2. Step 2: Convert to fraction form
    445,981.62/668,966.55 = 109,025.22/x
  3. Step 3: Cross multiply
    445,981.62x = 668,966.55 × 109,025.22
  4. Step 4: Simplify right side
    445,981.62x = 72,934,225,286.39
  5. Step 5: Solve for x
    x = 72,934,225,286.39/445,981.62
  6. Step 6: Final answer
    x = 163,536.39

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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.