Home / 172,736.10-258,518.93-106,218.36

Finding the Fourth Proportional to 172,736.10, 258,518.93 and 106,218.36

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Solution

The fourth proportional to 172,736.10, 258,518.93 and 106,218.36 is: 158,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,736.10 : 258,518.93 = 106,218.36 : x
  2. Step 2: Convert to fraction form
    172,736.10/258,518.93 = 106,218.36/x
  3. Step 3: Cross multiply
    172,736.10x = 258,518.93 × 106,218.36
  4. Step 4: Simplify right side
    172,736.10x = 27,459,456,242.46
  5. Step 5: Solve for x
    x = 27,459,456,242.46/172,736.10
  6. Step 6: Final answer
    x = 158,967.68

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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.