Home / 134,786.96-185,968.68-87,042.32

Finding the Fourth Proportional to 134,786.96, 185,968.68 and 87,042.32

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Solution

The fourth proportional to 134,786.96, 185,968.68 and 87,042.32 is: 120,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,786.96 : 185,968.68 = 87,042.32 : x
  2. Step 2: Convert to fraction form
    134,786.96/185,968.68 = 87,042.32/x
  3. Step 3: Cross multiply
    134,786.96x = 185,968.68 × 87,042.32
  4. Step 4: Simplify right side
    134,786.96x = 16,187,145,354.54
  5. Step 5: Solve for x
    x = 16,187,145,354.54/134,786.96
  6. Step 6: Final answer
    x = 120,094.30

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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.