Home / 146,494.20-219,741.30-128,998.20

Finding the Fourth Proportional to 146,494.20, 219,741.30 and 128,998.20

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Solution

The fourth proportional to 146,494.20, 219,741.30 and 128,998.20 is: 193,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,494.20 : 219,741.30 = 128,998.20 : x
  2. Step 2: Convert to fraction form
    146,494.20/219,741.30 = 128,998.20/x
  3. Step 3: Cross multiply
    146,494.20x = 219,741.30 × 128,998.20
  4. Step 4: Simplify right side
    146,494.20x = 28,346,232,165.66
  5. Step 5: Solve for x
    x = 28,346,232,165.66/146,494.20
  6. Step 6: Final answer
    x = 193,497.30

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1.5x scale

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.