Home / 445,918.86-668,901.62-126,094.11

Finding the Fourth Proportional to 445,918.86, 668,901.62 and 126,094.11

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Solution

The fourth proportional to 445,918.86, 668,901.62 and 126,094.11 is: 189,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,918.86 : 668,901.62 = 126,094.11 : x
  2. Step 2: Convert to fraction form
    445,918.86/668,901.62 = 126,094.11/x
  3. Step 3: Cross multiply
    445,918.86x = 668,901.62 × 126,094.11
  4. Step 4: Simplify right side
    445,918.86x = 84,344,553,820.99
  5. Step 5: Solve for x
    x = 84,344,553,820.99/445,918.86
  6. Step 6: Final answer
    x = 189,147.76

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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.