Home / 236,287.11-326,084.13-128,863.02

Finding the Fourth Proportional to 236,287.11, 326,084.13 and 128,863.02

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Solution

The fourth proportional to 236,287.11, 326,084.13 and 128,863.02 is: 177,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,287.11 : 326,084.13 = 128,863.02 : x
  2. Step 2: Convert to fraction form
    236,287.11/326,084.13 = 128,863.02/x
  3. Step 3: Cross multiply
    236,287.11x = 326,084.13 × 128,863.02
  4. Step 4: Simplify right side
    236,287.11x = 42,020,185,765.87
  5. Step 5: Solve for x
    x = 42,020,185,765.87/236,287.11
  6. Step 6: Final answer
    x = 177,835.29

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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.