Home / 106,665.36-159,998.04-27,779.34

Finding the Fourth Proportional to 106,665.36, 159,998.04 and 27,779.34

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Solution

The fourth proportional to 106,665.36, 159,998.04 and 27,779.34 is: 41,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,665.36 : 159,998.04 = 27,779.34 : x
  2. Step 2: Convert to fraction form
    106,665.36/159,998.04 = 27,779.34/x
  3. Step 3: Cross multiply
    106,665.36x = 159,998.04 × 27,779.34
  4. Step 4: Simplify right side
    106,665.36x = 4,444,639,952.49
  5. Step 5: Solve for x
    x = 4,444,639,952.49/106,665.36
  6. Step 6: Final answer
    x = 41,669.01

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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.