Home / 165,654.83-247,991.38-102,271.16

Finding the Fourth Proportional to 165,654.83, 247,991.38 and 102,271.16

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Solution

The fourth proportional to 165,654.83, 247,991.38 and 102,271.16 is: 153,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,654.83 : 247,991.38 = 102,271.16 : x
  2. Step 2: Convert to fraction form
    165,654.83/247,991.38 = 102,271.16/x
  3. Step 3: Cross multiply
    165,654.83x = 247,991.38 × 102,271.16
  4. Step 4: Simplify right side
    165,654.83x = 25,362,366,466.90
  5. Step 5: Solve for x
    x = 25,362,366,466.90/165,654.83
  6. Step 6: Final answer
    x = 153,103.69

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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.