Home / 112,029.64-154,552.33-66,682.20

Finding the Fourth Proportional to 112,029.64, 154,552.33 and 66,682.20

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Solution

The fourth proportional to 112,029.64, 154,552.33 and 66,682.20 is: 91,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,029.64 : 154,552.33 = 66,682.20 : x
  2. Step 2: Convert to fraction form
    112,029.64/154,552.33 = 66,682.20/x
  3. Step 3: Cross multiply
    112,029.64x = 154,552.33 × 66,682.20
  4. Step 4: Simplify right side
    112,029.64x = 10,305,889,379.53
  5. Step 5: Solve for x
    x = 10,305,889,379.53/112,029.64
  6. Step 6: Final answer
    x = 91,992.52

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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.