Home / 236,850.58-326,849.88-129,418.16

Finding the Fourth Proportional to 236,850.58, 326,849.88 and 129,418.16

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Solution

The fourth proportional to 236,850.58, 326,849.88 and 129,418.16 is: 178,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,850.58 : 326,849.88 = 129,418.16 : x
  2. Step 2: Convert to fraction form
    236,850.58/326,849.88 = 129,418.16/x
  3. Step 3: Cross multiply
    236,850.58x = 326,849.88 × 129,418.16
  4. Step 4: Simplify right side
    236,850.58x = 42,300,308,916.89
  5. Step 5: Solve for x
    x = 42,300,308,916.89/236,850.58
  6. Step 6: Final answer
    x = 178,594.91

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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.