Home / 445,553.46-668,063.29-141,816.42

Finding the Fourth Proportional to 445,553.46, 668,063.29 and 141,816.42

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Solution

The fourth proportional to 445,553.46, 668,063.29 and 141,816.42 is: 212,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,553.46 : 668,063.29 = 141,816.42 : x
  2. Step 2: Convert to fraction form
    445,553.46/668,063.29 = 141,816.42/x
  3. Step 3: Cross multiply
    445,553.46x = 668,063.29 × 141,816.42
  4. Step 4: Simplify right side
    445,553.46x = 94,742,344,121.22
  5. Step 5: Solve for x
    x = 94,742,344,121.22/445,553.46
  6. Step 6: Final answer
    x = 212,639.68

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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.