Home / 90,185.44-124,452.90-49,899.28

Finding the Fourth Proportional to 90,185.44, 124,452.90 and 49,899.28

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Solution

The fourth proportional to 90,185.44, 124,452.90 and 49,899.28 is: 68,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,185.44 : 124,452.90 = 49,899.28 : x
  2. Step 2: Convert to fraction form
    90,185.44/124,452.90 = 49,899.28/x
  3. Step 3: Cross multiply
    90,185.44x = 124,452.90 × 49,899.28
  4. Step 4: Simplify right side
    90,185.44x = 6,210,110,103.91
  5. Step 5: Solve for x
    x = 6,210,110,103.91/90,185.44
  6. Step 6: Final answer
    x = 68,859.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.