Home / 112,229.46-168,164.98-78,559.38

Finding the Fourth Proportional to 112,229.46, 168,164.98 and 78,559.38

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Solution

The fourth proportional to 112,229.46, 168,164.98 and 78,559.38 is: 117,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,229.46 : 168,164.98 = 78,559.38 : x
  2. Step 2: Convert to fraction form
    112,229.46/168,164.98 = 78,559.38/x
  3. Step 3: Cross multiply
    112,229.46x = 168,164.98 × 78,559.38
  4. Step 4: Simplify right side
    112,229.46x = 13,210,936,370.11
  5. Step 5: Solve for x
    x = 13,210,936,370.11/112,229.46
  6. Step 6: Final answer
    x = 117,713.62

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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.