Home / 239,300.81-330,237.29-131,874.69

Finding the Fourth Proportional to 239,300.81, 330,237.29 and 131,874.69

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Solution

The fourth proportional to 239,300.81, 330,237.29 and 131,874.69 is: 181,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,300.81 : 330,237.29 = 131,874.69 : x
  2. Step 2: Convert to fraction form
    239,300.81/330,237.29 = 131,874.69/x
  3. Step 3: Cross multiply
    239,300.81x = 330,237.29 × 131,874.69
  4. Step 4: Simplify right side
    239,300.81x = 43,549,940,574.88
  5. Step 5: Solve for x
    x = 43,549,940,574.88/239,300.81
  6. Step 6: Final answer
    x = 181,988.27

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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.