Home / 87,130.58-130,751.22-37,211.09

Finding the Fourth Proportional to 87,130.58, 130,751.22 and 37,211.09

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Solution

The fourth proportional to 87,130.58, 130,751.22 and 37,211.09 is: 55,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,130.58 : 130,751.22 = 37,211.09 : x
  2. Step 2: Convert to fraction form
    87,130.58/130,751.22 = 37,211.09/x
  3. Step 3: Cross multiply
    87,130.58x = 130,751.22 × 37,211.09
  4. Step 4: Simplify right side
    87,130.58x = 4,865,395,415.03
  5. Step 5: Solve for x
    x = 4,865,395,415.03/87,130.58
  6. Step 6: Final answer
    x = 55,840.27

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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.