Home / 236,751.75-326,715.48-129,321.81

Finding the Fourth Proportional to 236,751.75, 326,715.48 and 129,321.81

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Solution

The fourth proportional to 236,751.75, 326,715.48 and 129,321.81 is: 178,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,751.75 : 326,715.48 = 129,321.81 : x
  2. Step 2: Convert to fraction form
    236,751.75/326,715.48 = 129,321.81/x
  3. Step 3: Cross multiply
    236,751.75x = 326,715.48 × 129,321.81
  4. Step 4: Simplify right side
    236,751.75x = 42,251,437,228.62
  5. Step 5: Solve for x
    x = 42,251,437,228.62/236,751.75
  6. Step 6: Final answer
    x = 178,463.04

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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.