Home / 215,056.92-296,786.12-118,268.13

Finding the Fourth Proportional to 215,056.92, 296,786.12 and 118,268.13

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Solution

The fourth proportional to 215,056.92, 296,786.12 and 118,268.13 is: 163,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,056.92 : 296,786.12 = 118,268.13 : x
  2. Step 2: Convert to fraction form
    215,056.92/296,786.12 = 118,268.13/x
  3. Step 3: Cross multiply
    215,056.92x = 296,786.12 × 118,268.13
  4. Step 4: Simplify right side
    215,056.92x = 35,100,338,831.02
  5. Step 5: Solve for x
    x = 35,100,338,831.02/215,056.92
  6. Step 6: Final answer
    x = 163,214.18

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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.