Home / 179,815.20-248,144.72-99,242.72

Finding the Fourth Proportional to 179,815.20, 248,144.72 and 99,242.72

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Solution

The fourth proportional to 179,815.20, 248,144.72 and 99,242.72 is: 136,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,815.20 : 248,144.72 = 99,242.72 : x
  2. Step 2: Convert to fraction form
    179,815.20/248,144.72 = 99,242.72/x
  3. Step 3: Cross multiply
    179,815.20x = 248,144.72 × 99,242.72
  4. Step 4: Simplify right side
    179,815.20x = 24,626,556,966.44
  5. Step 5: Solve for x
    x = 24,626,556,966.44/179,815.20
  6. Step 6: Final answer
    x = 136,954.81

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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.