Home / 239,831.04-330,964.96-132,400.96

Finding the Fourth Proportional to 239,831.04, 330,964.96 and 132,400.96

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Solution

The fourth proportional to 239,831.04, 330,964.96 and 132,400.96 is: 182,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,831.04 : 330,964.96 = 132,400.96 : x
  2. Step 2: Convert to fraction form
    239,831.04/330,964.96 = 132,400.96/x
  3. Step 3: Cross multiply
    239,831.04x = 330,964.96 × 132,400.96
  4. Step 4: Simplify right side
    239,831.04x = 43,820,078,430.36
  5. Step 5: Solve for x
    x = 43,820,078,430.36/239,831.04
  6. Step 6: Final answer
    x = 182,712.29

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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.