Home / 250,719.92-345,999.96-141,815.36

Finding the Fourth Proportional to 250,719.92, 345,999.96 and 141,815.36

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Solution

The fourth proportional to 250,719.92, 345,999.96 and 141,815.36 is: 195,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,719.92 : 345,999.96 = 141,815.36 : x
  2. Step 2: Convert to fraction form
    250,719.92/345,999.96 = 141,815.36/x
  3. Step 3: Cross multiply
    250,719.92x = 345,999.96 × 141,815.36
  4. Step 4: Simplify right side
    250,719.92x = 49,068,108,887.39
  5. Step 5: Solve for x
    x = 49,068,108,887.39/250,719.92
  6. Step 6: Final answer
    x = 195,708.86

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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.