Home / 165,829.80-248,744.70-55,007.40

Finding the Fourth Proportional to 165,829.80, 248,744.70 and 55,007.40

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Solution

The fourth proportional to 165,829.80, 248,744.70 and 55,007.40 is: 82,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,829.80 : 248,744.70 = 55,007.40 : x
  2. Step 2: Convert to fraction form
    165,829.80/248,744.70 = 55,007.40/x
  3. Step 3: Cross multiply
    165,829.80x = 248,744.70 × 55,007.40
  4. Step 4: Simplify right side
    165,829.80x = 13,682,799,210.78
  5. Step 5: Solve for x
    x = 13,682,799,210.78/165,829.80
  6. Step 6: Final answer
    x = 82,511.10

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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.