Home / 84,340.51-126,532.68-25,176.19

Finding the Fourth Proportional to 84,340.51, 126,532.68 and 25,176.19

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Solution

The fourth proportional to 84,340.51, 126,532.68 and 25,176.19 is: 37,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,340.51 : 126,532.68 = 25,176.19 : x
  2. Step 2: Convert to fraction form
    84,340.51/126,532.68 = 25,176.19/x
  3. Step 3: Cross multiply
    84,340.51x = 126,532.68 × 25,176.19
  4. Step 4: Simplify right side
    84,340.51x = 3,185,610,792.89
  5. Step 5: Solve for x
    x = 3,185,610,792.89/84,340.51
  6. Step 6: Final answer
    x = 37,770.83

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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.