Home / 179,970.12-269,389.04-123,479.91

Finding the Fourth Proportional to 179,970.12, 269,389.04 and 123,479.91

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Solution

The fourth proportional to 179,970.12, 269,389.04 and 123,479.91 is: 184,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,970.12 : 269,389.04 = 123,479.91 : x
  2. Step 2: Convert to fraction form
    179,970.12/269,389.04 = 123,479.91/x
  3. Step 3: Cross multiply
    179,970.12x = 269,389.04 × 123,479.91
  4. Step 4: Simplify right side
    179,970.12x = 33,264,133,796.79
  5. Step 5: Solve for x
    x = 33,264,133,796.79/179,970.12
  6. Step 6: Final answer
    x = 184,831.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.