Home / 87,018.08-130,520.16-27,837.76

Finding the Fourth Proportional to 87,018.08, 130,520.16 and 27,837.76

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Solution

The fourth proportional to 87,018.08, 130,520.16 and 27,837.76 is: 41,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,018.08 : 130,520.16 = 27,837.76 : x
  2. Step 2: Convert to fraction form
    87,018.08/130,520.16 = 27,837.76/x
  3. Step 3: Cross multiply
    87,018.08x = 130,520.16 × 27,837.76
  4. Step 4: Simplify right side
    87,018.08x = 3,633,388,889.24
  5. Step 5: Solve for x
    x = 3,633,388,889.24/87,018.08
  6. Step 6: Final answer
    x = 41,754.41

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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.