Home / 179,769.25-248,081.57-100,281.25

Finding the Fourth Proportional to 179,769.25, 248,081.57 and 100,281.25

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Solution

The fourth proportional to 179,769.25, 248,081.57 and 100,281.25 is: 138,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,769.25 : 248,081.57 = 100,281.25 : x
  2. Step 2: Convert to fraction form
    179,769.25/248,081.57 = 100,281.25/x
  3. Step 3: Cross multiply
    179,769.25x = 248,081.57 × 100,281.25
  4. Step 4: Simplify right side
    179,769.25x = 24,877,929,941.56
  5. Step 5: Solve for x
    x = 24,877,929,941.56/179,769.25
  6. Step 6: Final answer
    x = 138,388.13

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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.