Home / 165,632.54-248,347.56-81,285.62

Finding the Fourth Proportional to 165,632.54, 248,347.56 and 81,285.62

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Solution

The fourth proportional to 165,632.54, 248,347.56 and 81,285.62 is: 121,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,632.54 : 248,347.56 = 81,285.62 : x
  2. Step 2: Convert to fraction form
    165,632.54/248,347.56 = 81,285.62/x
  3. Step 3: Cross multiply
    165,632.54x = 248,347.56 × 81,285.62
  4. Step 4: Simplify right side
    165,632.54x = 20,187,085,390.09
  5. Step 5: Solve for x
    x = 20,187,085,390.09/165,632.54
  6. Step 6: Final answer
    x = 121,878.74

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1.5x scale

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.