Home / 90,245.64-124,550.16-51,493.02

Finding the Fourth Proportional to 90,245.64, 124,550.16 and 51,493.02

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Solution

The fourth proportional to 90,245.64, 124,550.16 and 51,493.02 is: 71,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,245.64 : 124,550.16 = 51,493.02 : x
  2. Step 2: Convert to fraction form
    90,245.64/124,550.16 = 51,493.02/x
  3. Step 3: Cross multiply
    90,245.64x = 124,550.16 × 51,493.02
  4. Step 4: Simplify right side
    90,245.64x = 6,413,463,879.88
  5. Step 5: Solve for x
    x = 6,413,463,879.88/90,245.64
  6. Step 6: Final answer
    x = 71,066.74

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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.