Home / 236,783.31-326,755.62-129,353.82

Finding the Fourth Proportional to 236,783.31, 326,755.62 and 129,353.82

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Solution

The fourth proportional to 236,783.31, 326,755.62 and 129,353.82 is: 178,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,783.31 : 326,755.62 = 129,353.82 : x
  2. Step 2: Convert to fraction form
    236,783.31/326,755.62 = 129,353.82/x
  3. Step 3: Cross multiply
    236,783.31x = 326,755.62 × 129,353.82
  4. Step 4: Simplify right side
    236,783.31x = 42,267,087,653.47
  5. Step 5: Solve for x
    x = 42,267,087,653.47/236,783.31
  6. Step 6: Final answer
    x = 178,505.35

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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.