Home / 170,018.06-254,676.96-99,727.88

Finding the Fourth Proportional to 170,018.06, 254,676.96 and 99,727.88

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Solution

The fourth proportional to 170,018.06, 254,676.96 and 99,727.88 is: 149,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,018.06 : 254,676.96 = 99,727.88 : x
  2. Step 2: Convert to fraction form
    170,018.06/254,676.96 = 99,727.88/x
  3. Step 3: Cross multiply
    170,018.06x = 254,676.96 × 99,727.88
  4. Step 4: Simplify right side
    170,018.06x = 25,398,392,032.26
  5. Step 5: Solve for x
    x = 25,398,392,032.26/170,018.06
  6. Step 6: Final answer
    x = 149,386.44

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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.