Home / 165,760.21-248,638.48-99,218.91

Finding the Fourth Proportional to 165,760.21, 248,638.48 and 99,218.91

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Solution

The fourth proportional to 165,760.21, 248,638.48 and 99,218.91 is: 148,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,760.21 : 248,638.48 = 99,218.91 : x
  2. Step 2: Convert to fraction form
    165,760.21/248,638.48 = 99,218.91/x
  3. Step 3: Cross multiply
    165,760.21x = 248,638.48 × 99,218.91
  4. Step 4: Simplify right side
    165,760.21x = 24,669,638,969.66
  5. Step 5: Solve for x
    x = 24,669,638,969.66/165,760.21
  6. Step 6: Final answer
    x = 148,827.27

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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.