Home / 130,027.24-195,018.78-36,511

Finding the Fourth Proportional to 130,027.24, 195,018.78 and 36,511

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Solution

The fourth proportional to 130,027.24, 195,018.78 and 36,511 is: 54,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,027.24 : 195,018.78 = 36,511 : x
  2. Step 2: Convert to fraction form
    130,027.24/195,018.78 = 36,511/x
  3. Step 3: Cross multiply
    130,027.24x = 195,018.78 × 36,511
  4. Step 4: Simplify right side
    130,027.24x = 7,120,330,676.58
  5. Step 5: Solve for x
    x = 7,120,330,676.58/130,027.24
  6. Step 6: Final answer
    x = 54,760.30

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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.