Home / 189,470.40-283,831.20-122,956.80

Finding the Fourth Proportional to 189,470.40, 283,831.20 and 122,956.80

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Solution

The fourth proportional to 189,470.40, 283,831.20 and 122,956.80 is: 184,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,470.40 : 283,831.20 = 122,956.80 : x
  2. Step 2: Convert to fraction form
    189,470.40/283,831.20 = 122,956.80/x
  3. Step 3: Cross multiply
    189,470.40x = 283,831.20 × 122,956.80
  4. Step 4: Simplify right side
    189,470.40x = 34,898,976,092.16
  5. Step 5: Solve for x
    x = 34,898,976,092.16/189,470.40
  6. Step 6: Final answer
    x = 184,192.23

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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.