Home / 445,853.93-668,791.14-108,897.35

Finding the Fourth Proportional to 445,853.93, 668,791.14 and 108,897.35

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Solution

The fourth proportional to 445,853.93, 668,791.14 and 108,897.35 is: 163,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,853.93 : 668,791.14 = 108,897.35 : x
  2. Step 2: Convert to fraction form
    445,853.93/668,791.14 = 108,897.35/x
  3. Step 3: Cross multiply
    445,853.93x = 668,791.14 × 108,897.35
  4. Step 4: Simplify right side
    445,853.93x = 72,829,582,849.48
  5. Step 5: Solve for x
    x = 72,829,582,849.48/445,853.93
  6. Step 6: Final answer
    x = 163,348.53

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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.