Home / 144,831.20-217,246.80-122,961.20

Finding the Fourth Proportional to 144,831.20, 217,246.80 and 122,961.20

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Solution

The fourth proportional to 144,831.20, 217,246.80 and 122,961.20 is: 184,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,831.20 : 217,246.80 = 122,961.20 : x
  2. Step 2: Convert to fraction form
    144,831.20/217,246.80 = 122,961.20/x
  3. Step 3: Cross multiply
    144,831.20x = 217,246.80 × 122,961.20
  4. Step 4: Simplify right side
    144,831.20x = 26,712,927,224.16
  5. Step 5: Solve for x
    x = 26,712,927,224.16/144,831.20
  6. Step 6: Final answer
    x = 184,441.80

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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.