Home / 90,175.64-124,444.69-54,367.94

Finding the Fourth Proportional to 90,175.64, 124,444.69 and 54,367.94

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Solution

The fourth proportional to 90,175.64, 124,444.69 and 54,367.94 is: 75,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,175.64 : 124,444.69 = 54,367.94 : x
  2. Step 2: Convert to fraction form
    90,175.64/124,444.69 = 54,367.94/x
  3. Step 3: Cross multiply
    90,175.64x = 124,444.69 × 54,367.94
  4. Step 4: Simplify right side
    90,175.64x = 6,765,801,614.43
  5. Step 5: Solve for x
    x = 6,765,801,614.43/90,175.64
  6. Step 6: Final answer
    x = 75,029.15

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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.