Home / 236,119.46-325,835.35-128,687.18

Finding the Fourth Proportional to 236,119.46, 325,835.35 and 128,687.18

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Solution

The fourth proportional to 236,119.46, 325,835.35 and 128,687.18 is: 177,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,119.46 : 325,835.35 = 128,687.18 : x
  2. Step 2: Convert to fraction form
    236,119.46/325,835.35 = 128,687.18/x
  3. Step 3: Cross multiply
    236,119.46x = 325,835.35 × 128,687.18
  4. Step 4: Simplify right side
    236,119.46x = 41,930,832,335.81
  5. Step 5: Solve for x
    x = 41,930,832,335.81/236,119.46
  6. Step 6: Final answer
    x = 177,583.13

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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.