Home / 239,154.76-330,048.54-131,724.77

Finding the Fourth Proportional to 239,154.76, 330,048.54 and 131,724.77

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Solution

The fourth proportional to 239,154.76, 330,048.54 and 131,724.77 is: 181,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,154.76 : 330,048.54 = 131,724.77 : x
  2. Step 2: Convert to fraction form
    239,154.76/330,048.54 = 131,724.77/x
  3. Step 3: Cross multiply
    239,154.76x = 330,048.54 × 131,724.77
  4. Step 4: Simplify right side
    239,154.76x = 43,475,566,370.09
  5. Step 5: Solve for x
    x = 43,475,566,370.09/239,154.76
  6. Step 6: Final answer
    x = 181,788.42

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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.