Home / 87,219.09-130,745.56-28,013.23

Finding the Fourth Proportional to 87,219.09, 130,745.56 and 28,013.23

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Solution

The fourth proportional to 87,219.09, 130,745.56 and 28,013.23 is: 41,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,219.09 : 130,745.56 = 28,013.23 : x
  2. Step 2: Convert to fraction form
    87,219.09/130,745.56 = 28,013.23/x
  3. Step 3: Cross multiply
    87,219.09x = 130,745.56 × 28,013.23
  4. Step 4: Simplify right side
    87,219.09x = 3,662,605,443.76
  5. Step 5: Solve for x
    x = 3,662,605,443.76/87,219.09
  6. Step 6: Final answer
    x = 41,993.16

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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.