Home / 239,128.65-330,012.46-131,698.65

Finding the Fourth Proportional to 239,128.65, 330,012.46 and 131,698.65

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Solution

The fourth proportional to 239,128.65, 330,012.46 and 131,698.65 is: 181,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,128.65 : 330,012.46 = 131,698.65 : x
  2. Step 2: Convert to fraction form
    239,128.65/330,012.46 = 131,698.65/x
  3. Step 3: Cross multiply
    239,128.65x = 330,012.46 × 131,698.65
  4. Step 4: Simplify right side
    239,128.65x = 43,462,196,373.48
  5. Step 5: Solve for x
    x = 43,462,196,373.48/239,128.65
  6. Step 6: Final answer
    x = 181,752.36

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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.