Home / 167,016.64-250,611.09-78,279.16

Finding the Fourth Proportional to 167,016.64, 250,611.09 and 78,279.16

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Solution

The fourth proportional to 167,016.64, 250,611.09 and 78,279.16 is: 117,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,016.64 : 250,611.09 = 78,279.16 : x
  2. Step 2: Convert to fraction form
    167,016.64/250,611.09 = 78,279.16/x
  3. Step 3: Cross multiply
    167,016.64x = 250,611.09 × 78,279.16
  4. Step 4: Simplify right side
    167,016.64x = 19,617,625,611.88
  5. Step 5: Solve for x
    x = 19,617,625,611.88/167,016.64
  6. Step 6: Final answer
    x = 117,459.11

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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.