Home / 112,219.82-168,236.58-45,691.28

Finding the Fourth Proportional to 112,219.82, 168,236.58 and 45,691.28

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Solution

The fourth proportional to 112,219.82, 168,236.58 and 45,691.28 is: 68,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,219.82 : 168,236.58 = 45,691.28 : x
  2. Step 2: Convert to fraction form
    112,219.82/168,236.58 = 45,691.28/x
  3. Step 3: Cross multiply
    112,219.82x = 168,236.58 × 45,691.28
  4. Step 4: Simplify right side
    112,219.82x = 7,686,944,683.02
  5. Step 5: Solve for x
    x = 7,686,944,683.02/112,219.82
  6. Step 6: Final answer
    x = 68,498.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.