Home / 250,406.37-345,680.46-142,955.62

Finding the Fourth Proportional to 250,406.37, 345,680.46 and 142,955.62

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Solution

The fourth proportional to 250,406.37, 345,680.46 and 142,955.62 is: 197,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,406.37 : 345,680.46 = 142,955.62 : x
  2. Step 2: Convert to fraction form
    250,406.37/345,680.46 = 142,955.62/x
  3. Step 3: Cross multiply
    250,406.37x = 345,680.46 × 142,955.62
  4. Step 4: Simplify right side
    250,406.37x = 49,416,964,481.19
  5. Step 5: Solve for x
    x = 49,416,964,481.19/250,406.37
  6. Step 6: Final answer
    x = 197,347.07

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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.