Home / 112,106.96-168,043.32-45,520.40

Finding the Fourth Proportional to 112,106.96, 168,043.32 and 45,520.40

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Solution

The fourth proportional to 112,106.96, 168,043.32 and 45,520.40 is: 68,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,106.96 : 168,043.32 = 45,520.40 : x
  2. Step 2: Convert to fraction form
    112,106.96/168,043.32 = 45,520.40/x
  3. Step 3: Cross multiply
    112,106.96x = 168,043.32 × 45,520.40
  4. Step 4: Simplify right side
    112,106.96x = 7,649,399,143.73
  5. Step 5: Solve for x
    x = 7,649,399,143.73/112,106.96
  6. Step 6: Final answer
    x = 68,233.04

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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.