Home / 236,653.68-326,583.72-129,224.52

Finding the Fourth Proportional to 236,653.68, 326,583.72 and 129,224.52

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Solution

The fourth proportional to 236,653.68, 326,583.72 and 129,224.52 is: 178,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,653.68 : 326,583.72 = 129,224.52 : x
  2. Step 2: Convert to fraction form
    236,653.68/326,583.72 = 129,224.52/x
  3. Step 3: Cross multiply
    236,653.68x = 326,583.72 × 129,224.52
  4. Step 4: Simplify right side
    236,653.68x = 42,202,624,456.81
  5. Step 5: Solve for x
    x = 42,202,624,456.81/236,653.68
  6. Step 6: Final answer
    x = 178,330.73

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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.