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Finding the Fourth Proportional to 110,089.58, 165,018.92 and 53,852.06

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Solution

The fourth proportional to 110,089.58, 165,018.92 and 53,852.06 is: 80,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,089.58 : 165,018.92 = 53,852.06 : x
  2. Step 2: Convert to fraction form
    110,089.58/165,018.92 = 53,852.06/x
  3. Step 3: Cross multiply
    110,089.58x = 165,018.92 × 53,852.06
  4. Step 4: Simplify right side
    110,089.58x = 8,886,608,090.51
  5. Step 5: Solve for x
    x = 8,886,608,090.51/110,089.58
  6. Step 6: Final answer
    x = 80,721.61

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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.