Home / 185,647.25-278,476.34-45,405.88

Finding the Fourth Proportional to 185,647.25, 278,476.34 and 45,405.88

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Solution

The fourth proportional to 185,647.25, 278,476.34 and 45,405.88 is: 68,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,647.25 : 278,476.34 = 45,405.88 : x
  2. Step 2: Convert to fraction form
    185,647.25/278,476.34 = 45,405.88/x
  3. Step 3: Cross multiply
    185,647.25x = 278,476.34 × 45,405.88
  4. Step 4: Simplify right side
    185,647.25x = 12,644,463,276.88
  5. Step 5: Solve for x
    x = 12,644,463,276.88/185,647.25
  6. Step 6: Final answer
    x = 68,110.16

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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.