Home / 236,631.89-326,551.83-129,201.92

Finding the Fourth Proportional to 236,631.89, 326,551.83 and 129,201.92

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Solution

The fourth proportional to 236,631.89, 326,551.83 and 129,201.92 is: 178,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,631.89 : 326,551.83 = 129,201.92 : x
  2. Step 2: Convert to fraction form
    236,631.89/326,551.83 = 129,201.92/x
  3. Step 3: Cross multiply
    236,631.89x = 326,551.83 × 129,201.92
  4. Step 4: Simplify right side
    236,631.89x = 42,191,123,415.51
  5. Step 5: Solve for x
    x = 42,191,123,415.51/236,631.89
  6. Step 6: Final answer
    x = 178,298.55

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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.