Home / 146,511.60-219,767.40-99,855.60

Finding the Fourth Proportional to 146,511.60, 219,767.40 and 99,855.60

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Solution

The fourth proportional to 146,511.60, 219,767.40 and 99,855.60 is: 149,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,511.60 : 219,767.40 = 99,855.60 : x
  2. Step 2: Convert to fraction form
    146,511.60/219,767.40 = 99,855.60/x
  3. Step 3: Cross multiply
    146,511.60x = 219,767.40 × 99,855.60
  4. Step 4: Simplify right side
    146,511.60x = 21,945,005,587.44
  5. Step 5: Solve for x
    x = 21,945,005,587.44/146,511.60
  6. Step 6: Final answer
    x = 149,783.40

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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.