Home / 179,069.43-247,150.87-102,639.72

Finding the Fourth Proportional to 179,069.43, 247,150.87 and 102,639.72

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Solution

The fourth proportional to 179,069.43, 247,150.87 and 102,639.72 is: 141,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,069.43 : 247,150.87 = 102,639.72 : x
  2. Step 2: Convert to fraction form
    179,069.43/247,150.87 = 102,639.72/x
  3. Step 3: Cross multiply
    179,069.43x = 247,150.87 × 102,639.72
  4. Step 4: Simplify right side
    179,069.43x = 25,367,494,345.60
  5. Step 5: Solve for x
    x = 25,367,494,345.60/179,069.43
  6. Step 6: Final answer
    x = 141,662.90

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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.