Home / 235,829.57-325,447.16-135,208.13

Finding the Fourth Proportional to 235,829.57, 325,447.16 and 135,208.13

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Solution

The fourth proportional to 235,829.57, 325,447.16 and 135,208.13 is: 186,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,829.57 : 325,447.16 = 135,208.13 : x
  2. Step 2: Convert to fraction form
    235,829.57/325,447.16 = 135,208.13/x
  3. Step 3: Cross multiply
    235,829.57x = 325,447.16 × 135,208.13
  4. Step 4: Simplify right side
    235,829.57x = 44,003,099,614.13
  5. Step 5: Solve for x
    x = 44,003,099,614.13/235,829.57
  6. Step 6: Final answer
    x = 186,588.56

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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.