Home / 239,129.96-330,001.70-131,703.30

Finding the Fourth Proportional to 239,129.96, 330,001.70 and 131,703.30

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Solution

The fourth proportional to 239,129.96, 330,001.70 and 131,703.30 is: 181,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,129.96 : 330,001.70 = 131,703.30 : x
  2. Step 2: Convert to fraction form
    239,129.96/330,001.70 = 131,703.30/x
  3. Step 3: Cross multiply
    239,129.96x = 330,001.70 × 131,703.30
  4. Step 4: Simplify right side
    239,129.96x = 43,462,312,237.09
  5. Step 5: Solve for x
    x = 43,462,312,237.09/239,129.96
  6. Step 6: Final answer
    x = 181,751.85

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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.