Home / 219,739.15-329,594.01-99,767.62

Finding the Fourth Proportional to 219,739.15, 329,594.01 and 99,767.62

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Solution

The fourth proportional to 219,739.15, 329,594.01 and 99,767.62 is: 149,644.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,739.15 : 329,594.01 = 99,767.62 : x
  2. Step 2: Convert to fraction form
    219,739.15/329,594.01 = 99,767.62/x
  3. Step 3: Cross multiply
    219,739.15x = 329,594.01 × 99,767.62
  4. Step 4: Simplify right side
    219,739.15x = 32,882,809,943.96
  5. Step 5: Solve for x
    x = 32,882,809,943.96/219,739.15
  6. Step 6: Final answer
    x = 149,644.75

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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.