Home / 112,464.32-168,613.15-68,080.57

Finding the Fourth Proportional to 112,464.32, 168,613.15 and 68,080.57

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Solution

The fourth proportional to 112,464.32, 168,613.15 and 68,080.57 is: 102,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,464.32 : 168,613.15 = 68,080.57 : x
  2. Step 2: Convert to fraction form
    112,464.32/168,613.15 = 68,080.57/x
  3. Step 3: Cross multiply
    112,464.32x = 168,613.15 × 68,080.57
  4. Step 4: Simplify right side
    112,464.32x = 11,479,279,361.50
  5. Step 5: Solve for x
    x = 11,479,279,361.50/112,464.32
  6. Step 6: Final answer
    x = 102,070.41

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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.