Home / 112,465.32-168,614.64-68,081.58

Finding the Fourth Proportional to 112,465.32, 168,614.64 and 68,081.58

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Solution

The fourth proportional to 112,465.32, 168,614.64 and 68,081.58 is: 102,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,465.32 : 168,614.64 = 68,081.58 : x
  2. Step 2: Convert to fraction form
    112,465.32/168,614.64 = 68,081.58/x
  3. Step 3: Cross multiply
    112,465.32x = 168,614.64 × 68,081.58
  4. Step 4: Simplify right side
    112,465.32x = 11,479,551,102.33
  5. Step 5: Solve for x
    x = 11,479,551,102.33/112,465.32
  6. Step 6: Final answer
    x = 102,071.92

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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.