Home / 250,286.64-345,399.48-137,101.92

Finding the Fourth Proportional to 250,286.64, 345,399.48 and 137,101.92

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Solution

The fourth proportional to 250,286.64, 345,399.48 and 137,101.92 is: 189,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,286.64 : 345,399.48 = 137,101.92 : x
  2. Step 2: Convert to fraction form
    250,286.64/345,399.48 = 137,101.92/x
  3. Step 3: Cross multiply
    250,286.64x = 345,399.48 × 137,101.92
  4. Step 4: Simplify right side
    250,286.64x = 47,354,931,875.00
  5. Step 5: Solve for x
    x = 47,354,931,875.00/250,286.64
  6. Step 6: Final answer
    x = 189,202.80

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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.