Home / 236,450.88-326,295.81-129,020.94

Finding the Fourth Proportional to 236,450.88, 326,295.81 and 129,020.94

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Solution

The fourth proportional to 236,450.88, 326,295.81 and 129,020.94 is: 178,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,450.88 : 326,295.81 = 129,020.94 : x
  2. Step 2: Convert to fraction form
    236,450.88/326,295.81 = 129,020.94/x
  3. Step 3: Cross multiply
    236,450.88x = 326,295.81 × 129,020.94
  4. Step 4: Simplify right side
    236,450.88x = 42,098,992,124.26
  5. Step 5: Solve for x
    x = 42,098,992,124.26/236,450.88
  6. Step 6: Final answer
    x = 178,045.40

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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.