Home / 84,348.42-126,518.31-25,184.58

Finding the Fourth Proportional to 84,348.42, 126,518.31 and 25,184.58

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Solution

The fourth proportional to 84,348.42, 126,518.31 and 25,184.58 is: 37,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,348.42 : 126,518.31 = 25,184.58 : x
  2. Step 2: Convert to fraction form
    84,348.42/126,518.31 = 25,184.58/x
  3. Step 3: Cross multiply
    84,348.42x = 126,518.31 × 25,184.58
  4. Step 4: Simplify right side
    84,348.42x = 3,186,310,499.66
  5. Step 5: Solve for x
    x = 3,186,310,499.66/84,348.42
  6. Step 6: Final answer
    x = 37,775.58

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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.