Home / 81,509.22-122,264.24-37,104.91

Finding the Fourth Proportional to 81,509.22, 122,264.24 and 37,104.91

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Solution

The fourth proportional to 81,509.22, 122,264.24 and 37,104.91 is: 55,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,509.22 : 122,264.24 = 37,104.91 : x
  2. Step 2: Convert to fraction form
    81,509.22/122,264.24 = 37,104.91/x
  3. Step 3: Cross multiply
    81,509.22x = 122,264.24 × 37,104.91
  4. Step 4: Simplify right side
    81,509.22x = 4,536,603,130.23
  5. Step 5: Solve for x
    x = 4,536,603,130.23/81,509.22
  6. Step 6: Final answer
    x = 55,657.55

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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.