Home / 445,041.63-667,555.16-108,085.05

Finding the Fourth Proportional to 445,041.63, 667,555.16 and 108,085.05

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Solution

The fourth proportional to 445,041.63, 667,555.16 and 108,085.05 is: 162,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,041.63 : 667,555.16 = 108,085.05 : x
  2. Step 2: Convert to fraction form
    445,041.63/667,555.16 = 108,085.05/x
  3. Step 3: Cross multiply
    445,041.63x = 667,555.16 × 108,085.05
  4. Step 4: Simplify right side
    445,041.63x = 72,152,732,305.93
  5. Step 5: Solve for x
    x = 72,152,732,305.93/445,041.63
  6. Step 6: Final answer
    x = 162,125.80

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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.