Home / 145,982.52-219,202.92-87,080.88

Finding the Fourth Proportional to 145,982.52, 219,202.92 and 87,080.88

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Solution

The fourth proportional to 145,982.52, 219,202.92 and 87,080.88 is: 130,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,982.52 : 219,202.92 = 87,080.88 : x
  2. Step 2: Convert to fraction form
    145,982.52/219,202.92 = 87,080.88/x
  3. Step 3: Cross multiply
    145,982.52x = 219,202.92 × 87,080.88
  4. Step 4: Simplify right side
    145,982.52x = 19,088,383,172.17
  5. Step 5: Solve for x
    x = 19,088,383,172.17/145,982.52
  6. Step 6: Final answer
    x = 130,758.01

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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.