Home / 112,463.32-168,611.65-68,079.57

Finding the Fourth Proportional to 112,463.32, 168,611.65 and 68,079.57

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Solution

The fourth proportional to 112,463.32, 168,611.65 and 68,079.57 is: 102,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,463.32 : 168,611.65 = 68,079.57 : x
  2. Step 2: Convert to fraction form
    112,463.32/168,611.65 = 68,079.57/x
  3. Step 3: Cross multiply
    112,463.32x = 168,611.65 × 68,079.57
  4. Step 4: Simplify right side
    112,463.32x = 11,479,008,458.79
  5. Step 5: Solve for x
    x = 11,479,008,458.79/112,463.32
  6. Step 6: Final answer
    x = 102,068.91

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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.