Home / 187,191.86-258,325.44-102,308.96

Finding the Fourth Proportional to 187,191.86, 258,325.44 and 102,308.96

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Solution

The fourth proportional to 187,191.86, 258,325.44 and 102,308.96 is: 141,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,191.86 : 258,325.44 = 102,308.96 : x
  2. Step 2: Convert to fraction form
    187,191.86/258,325.44 = 102,308.96/x
  3. Step 3: Cross multiply
    187,191.86x = 258,325.44 × 102,308.96
  4. Step 4: Simplify right side
    187,191.86x = 26,429,007,107.94
  5. Step 5: Solve for x
    x = 26,429,007,107.94/187,191.86
  6. Step 6: Final answer
    x = 141,186.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.