Home / 250,333.92-345,447.60-142,899.68

Finding the Fourth Proportional to 250,333.92, 345,447.60 and 142,899.68

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Solution

The fourth proportional to 250,333.92, 345,447.60 and 142,899.68 is: 197,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,333.92 : 345,447.60 = 142,899.68 : x
  2. Step 2: Convert to fraction form
    250,333.92/345,447.60 = 142,899.68/x
  3. Step 3: Cross multiply
    250,333.92x = 345,447.60 × 142,899.68
  4. Step 4: Simplify right side
    250,333.92x = 49,364,351,496.77
  5. Step 5: Solve for x
    x = 49,364,351,496.77/250,333.92
  6. Step 6: Final answer
    x = 197,194.02

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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.