Home / 187,485.25-258,460.48-133,676.86

Finding the Fourth Proportional to 187,485.25, 258,460.48 and 133,676.86

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Solution

The fourth proportional to 187,485.25, 258,460.48 and 133,676.86 is: 184,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,485.25 : 258,460.48 = 133,676.86 : x
  2. Step 2: Convert to fraction form
    187,485.25/258,460.48 = 133,676.86/x
  3. Step 3: Cross multiply
    187,485.25x = 258,460.48 × 133,676.86
  4. Step 4: Simplify right side
    187,485.25x = 34,550,185,400.49
  5. Step 5: Solve for x
    x = 34,550,185,400.49/187,485.25
  6. Step 6: Final answer
    x = 184,282.15

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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.