Home / 179,815.55-248,153.72-103,359.38

Finding the Fourth Proportional to 179,815.55, 248,153.72 and 103,359.38

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Solution

The fourth proportional to 179,815.55, 248,153.72 and 103,359.38 is: 142,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,815.55 : 248,153.72 = 103,359.38 : x
  2. Step 2: Convert to fraction form
    179,815.55/248,153.72 = 103,359.38/x
  3. Step 3: Cross multiply
    179,815.55x = 248,153.72 × 103,359.38
  4. Step 4: Simplify right side
    179,815.55x = 25,649,012,886.33
  5. Step 5: Solve for x
    x = 25,649,012,886.33/179,815.55
  6. Step 6: Final answer
    x = 142,640.69

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1.5x scale

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.