Home / 165,491.20-248,301.60-65,634.40

Finding the Fourth Proportional to 165,491.20, 248,301.60 and 65,634.40

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Solution

The fourth proportional to 165,491.20, 248,301.60 and 65,634.40 is: 98,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,491.20 : 248,301.60 = 65,634.40 : x
  2. Step 2: Convert to fraction form
    165,491.20/248,301.60 = 65,634.40/x
  3. Step 3: Cross multiply
    165,491.20x = 248,301.60 × 65,634.40
  4. Step 4: Simplify right side
    165,491.20x = 16,297,126,535.04
  5. Step 5: Solve for x
    x = 16,297,126,535.04/165,491.20
  6. Step 6: Final answer
    x = 98,477.30

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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.