Home / 239,208.72-330,106.50-131,776.26

Finding the Fourth Proportional to 239,208.72, 330,106.50 and 131,776.26

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Solution

The fourth proportional to 239,208.72, 330,106.50 and 131,776.26 is: 181,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,208.72 : 330,106.50 = 131,776.26 : x
  2. Step 2: Convert to fraction form
    239,208.72/330,106.50 = 131,776.26/x
  3. Step 3: Cross multiply
    239,208.72x = 330,106.50 × 131,776.26
  4. Step 4: Simplify right side
    239,208.72x = 43,500,199,971.69
  5. Step 5: Solve for x
    x = 43,500,199,971.69/239,208.72
  6. Step 6: Final answer
    x = 181,850.39

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1.5x scale

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.