Home / 236,749.50-326,712.38-129,319.56

Finding the Fourth Proportional to 236,749.50, 326,712.38 and 129,319.56

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Solution

The fourth proportional to 236,749.50, 326,712.38 and 129,319.56 is: 178,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,749.50 : 326,712.38 = 129,319.56 : x
  2. Step 2: Convert to fraction form
    236,749.50/326,712.38 = 129,319.56/x
  3. Step 3: Cross multiply
    236,749.50x = 326,712.38 × 129,319.56
  4. Step 4: Simplify right side
    236,749.50x = 42,250,301,228.15
  5. Step 5: Solve for x
    x = 42,250,301,228.15/236,749.50
  6. Step 6: Final answer
    x = 178,459.94

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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.