Home / 112,165.88-154,783.44-66,842.82

Finding the Fourth Proportional to 112,165.88, 154,783.44 and 66,842.82

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Solution

The fourth proportional to 112,165.88, 154,783.44 and 66,842.82 is: 92,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,165.88 : 154,783.44 = 66,842.82 : x
  2. Step 2: Convert to fraction form
    112,165.88/154,783.44 = 66,842.82/x
  3. Step 3: Cross multiply
    112,165.88x = 154,783.44 × 66,842.82
  4. Step 4: Simplify right side
    112,165.88x = 10,346,161,618.90
  5. Step 5: Solve for x
    x = 10,346,161,618.90/112,165.88
  6. Step 6: Final answer
    x = 92,239.83

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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.