Home / 235,784.91-325,416.78-133,835.61

Finding the Fourth Proportional to 235,784.91, 325,416.78 and 133,835.61

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Solution

The fourth proportional to 235,784.91, 325,416.78 and 133,835.61 is: 184,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,784.91 : 325,416.78 = 133,835.61 : x
  2. Step 2: Convert to fraction form
    235,784.91/325,416.78 = 133,835.61/x
  3. Step 3: Cross multiply
    235,784.91x = 325,416.78 × 133,835.61
  4. Step 4: Simplify right side
    235,784.91x = 43,552,353,255.54
  5. Step 5: Solve for x
    x = 43,552,353,255.54/235,784.91
  6. Step 6: Final answer
    x = 184,712.22

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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.