Home / 188,720.01-282,789.27-87,455.58

Finding the Fourth Proportional to 188,720.01, 282,789.27 and 87,455.58

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Solution

The fourth proportional to 188,720.01, 282,789.27 and 87,455.58 is: 131,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,720.01 : 282,789.27 = 87,455.58 : x
  2. Step 2: Convert to fraction form
    188,720.01/282,789.27 = 87,455.58/x
  3. Step 3: Cross multiply
    188,720.01x = 282,789.27 × 87,455.58
  4. Step 4: Simplify right side
    188,720.01x = 24,731,499,625.63
  5. Step 5: Solve for x
    x = 24,731,499,625.63/188,720.01
  6. Step 6: Final answer
    x = 131,048.63

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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.