Home / 145,982.28-218,827.62-125,910.48

Finding the Fourth Proportional to 145,982.28, 218,827.62 and 125,910.48

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Solution

The fourth proportional to 145,982.28, 218,827.62 and 125,910.48 is: 188,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,982.28 : 218,827.62 = 125,910.48 : x
  2. Step 2: Convert to fraction form
    145,982.28/218,827.62 = 125,910.48/x
  3. Step 3: Cross multiply
    145,982.28x = 218,827.62 × 125,910.48
  4. Step 4: Simplify right side
    145,982.28x = 27,552,690,671.46
  5. Step 5: Solve for x
    x = 27,552,690,671.46/145,982.28
  6. Step 6: Final answer
    x = 188,739.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.