Home / 146,292.54-219,405.96-87,145.08

Finding the Fourth Proportional to 146,292.54, 219,405.96 and 87,145.08

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Solution

The fourth proportional to 146,292.54, 219,405.96 and 87,145.08 is: 130,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,292.54 : 219,405.96 = 87,145.08 : x
  2. Step 2: Convert to fraction form
    146,292.54/219,405.96 = 87,145.08/x
  3. Step 3: Cross multiply
    146,292.54x = 219,405.96 × 87,145.08
  4. Step 4: Simplify right side
    146,292.54x = 19,120,149,936.68
  5. Step 5: Solve for x
    x = 19,120,149,936.68/146,292.54
  6. Step 6: Final answer
    x = 130,698.05

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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.