Home / 239,669.06-330,863.15-149,054.21

Finding the Fourth Proportional to 239,669.06, 330,863.15 and 149,054.21

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Solution

The fourth proportional to 239,669.06, 330,863.15 and 149,054.21 is: 205,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,669.06 : 330,863.15 = 149,054.21 : x
  2. Step 2: Convert to fraction form
    239,669.06/330,863.15 = 149,054.21/x
  3. Step 3: Cross multiply
    239,669.06x = 330,863.15 × 149,054.21
  4. Step 4: Simplify right side
    239,669.06x = 49,316,545,441.36
  5. Step 5: Solve for x
    x = 49,316,545,441.36/239,669.06
  6. Step 6: Final answer
    x = 205,769.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.