Home / 84,274.96-126,430.68-25,115.39

Finding the Fourth Proportional to 84,274.96, 126,430.68 and 25,115.39

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Solution

The fourth proportional to 84,274.96, 126,430.68 and 25,115.39 is: 37,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,274.96 : 126,430.68 = 25,115.39 : x
  2. Step 2: Convert to fraction form
    84,274.96/126,430.68 = 25,115.39/x
  3. Step 3: Cross multiply
    84,274.96x = 126,430.68 × 25,115.39
  4. Step 4: Simplify right side
    84,274.96x = 3,175,355,836.17
  5. Step 5: Solve for x
    x = 3,175,355,836.17/84,274.96
  6. Step 6: Final answer
    x = 37,678.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.