Home / 236,769.45-326,748.87-129,341.27

Finding the Fourth Proportional to 236,769.45, 326,748.87 and 129,341.27

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Solution

The fourth proportional to 236,769.45, 326,748.87 and 129,341.27 is: 178,494.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,769.45 : 326,748.87 = 129,341.27 : x
  2. Step 2: Convert to fraction form
    236,769.45/326,748.87 = 129,341.27/x
  3. Step 3: Cross multiply
    236,769.45x = 326,748.87 × 129,341.27
  4. Step 4: Simplify right side
    236,769.45x = 42,262,112,183.12
  5. Step 5: Solve for x
    x = 42,262,112,183.12/236,769.45
  6. Step 6: Final answer
    x = 178,494.79

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1.5x scale

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.