Home / 187,739.21-281,610.61-45,585.77

Finding the Fourth Proportional to 187,739.21, 281,610.61 and 45,585.77

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Solution

The fourth proportional to 187,739.21, 281,610.61 and 45,585.77 is: 68,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,739.21 : 281,610.61 = 45,585.77 : x
  2. Step 2: Convert to fraction form
    187,739.21/281,610.61 = 45,585.77/x
  3. Step 3: Cross multiply
    187,739.21x = 281,610.61 × 45,585.77
  4. Step 4: Simplify right side
    187,739.21x = 12,837,434,975.00
  5. Step 5: Solve for x
    x = 12,837,434,975.00/187,739.21
  6. Step 6: Final answer
    x = 68,379.08

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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.