Home / 236,747.40-326,719.26-129,327.45

Finding the Fourth Proportional to 236,747.40, 326,719.26 and 129,327.45

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Solution

The fourth proportional to 236,747.40, 326,719.26 and 129,327.45 is: 178,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,747.40 : 326,719.26 = 129,327.45 : x
  2. Step 2: Convert to fraction form
    236,747.40/326,719.26 = 129,327.45/x
  3. Step 3: Cross multiply
    236,747.40x = 326,719.26 × 129,327.45
  4. Step 4: Simplify right side
    236,747.40x = 42,253,768,761.69
  5. Step 5: Solve for x
    x = 42,253,768,761.69/236,747.40
  6. Step 6: Final answer
    x = 178,476.17

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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.