Home / 87,246.30-130,611.08-53,859

Finding the Fourth Proportional to 87,246.30, 130,611.08 and 53,859

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Solution

The fourth proportional to 87,246.30, 130,611.08 and 53,859 is: 80,629.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,246.30 : 130,611.08 = 53,859 : x
  2. Step 2: Convert to fraction form
    87,246.30/130,611.08 = 53,859/x
  3. Step 3: Cross multiply
    87,246.30x = 130,611.08 × 53,859
  4. Step 4: Simplify right side
    87,246.30x = 7,034,582,157.72
  5. Step 5: Solve for x
    x = 7,034,582,157.72/87,246.30
  6. Step 6: Final answer
    x = 80,629.00

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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.