Home / 112,008.46-167,879.13-78,091.06

Finding the Fourth Proportional to 112,008.46, 167,879.13 and 78,091.06

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Solution

The fourth proportional to 112,008.46, 167,879.13 and 78,091.06 is: 117,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008.46 : 167,879.13 = 78,091.06 : x
  2. Step 2: Convert to fraction form
    112,008.46/167,879.13 = 78,091.06/x
  3. Step 3: Cross multiply
    112,008.46x = 167,879.13 × 78,091.06
  4. Step 4: Simplify right side
    112,008.46x = 13,109,859,213.58
  5. Step 5: Solve for x
    x = 13,109,859,213.58/112,008.46
  6. Step 6: Final answer
    x = 117,043.47

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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.