Home / 112,018.33-168,024.12-45,456.85

Finding the Fourth Proportional to 112,018.33, 168,024.12 and 45,456.85

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Solution

The fourth proportional to 112,018.33, 168,024.12 and 45,456.85 is: 68,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,018.33 : 168,024.12 = 45,456.85 : x
  2. Step 2: Convert to fraction form
    112,018.33/168,024.12 = 45,456.85/x
  3. Step 3: Cross multiply
    112,018.33x = 168,024.12 × 45,456.85
  4. Step 4: Simplify right side
    112,018.33x = 7,637,847,219.22
  5. Step 5: Solve for x
    x = 7,637,847,219.22/112,018.33
  6. Step 6: Final answer
    x = 68,183.91

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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.