Home / 146,727.60-219,799.80-84,325.20

Finding the Fourth Proportional to 146,727.60, 219,799.80 and 84,325.20

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Solution

The fourth proportional to 146,727.60, 219,799.80 and 84,325.20 is: 126,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,727.60 : 219,799.80 = 84,325.20 : x
  2. Step 2: Convert to fraction form
    146,727.60/219,799.80 = 84,325.20/x
  3. Step 3: Cross multiply
    146,727.60x = 219,799.80 × 84,325.20
  4. Step 4: Simplify right side
    146,727.60x = 18,534,662,094.96
  5. Step 5: Solve for x
    x = 18,534,662,094.96/146,727.60
  6. Step 6: Final answer
    x = 126,320.22

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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.