Home / 165,586.60-248,240.58-72,021.88

Finding the Fourth Proportional to 165,586.60, 248,240.58 and 72,021.88

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Solution

The fourth proportional to 165,586.60, 248,240.58 and 72,021.88 is: 107,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,586.60 : 248,240.58 = 72,021.88 : x
  2. Step 2: Convert to fraction form
    165,586.60/248,240.58 = 72,021.88/x
  3. Step 3: Cross multiply
    165,586.60x = 248,240.58 × 72,021.88
  4. Step 4: Simplify right side
    165,586.60x = 17,878,753,263.89
  5. Step 5: Solve for x
    x = 17,878,753,263.89/165,586.60
  6. Step 6: Final answer
    x = 107,972.22

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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.