Home / 112,884.74-168,994.96-75,351.72

Finding the Fourth Proportional to 112,884.74, 168,994.96 and 75,351.72

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Solution

The fourth proportional to 112,884.74, 168,994.96 and 75,351.72 is: 112,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,884.74 : 168,994.96 = 75,351.72 : x
  2. Step 2: Convert to fraction form
    112,884.74/168,994.96 = 75,351.72/x
  3. Step 3: Cross multiply
    112,884.74x = 168,994.96 × 75,351.72
  4. Step 4: Simplify right side
    112,884.74x = 12,734,060,718.95
  5. Step 5: Solve for x
    x = 12,734,060,718.95/112,884.74
  6. Step 6: Final answer
    x = 112,805.86

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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.