Home / 129,946.03-179,327.01-76,231.96

Finding the Fourth Proportional to 129,946.03, 179,327.01 and 76,231.96

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Solution

The fourth proportional to 129,946.03, 179,327.01 and 76,231.96 is: 105,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,946.03 : 179,327.01 = 76,231.96 : x
  2. Step 2: Convert to fraction form
    129,946.03/179,327.01 = 76,231.96/x
  3. Step 3: Cross multiply
    129,946.03x = 179,327.01 × 76,231.96
  4. Step 4: Simplify right side
    129,946.03x = 13,670,449,290.79
  5. Step 5: Solve for x
    x = 13,670,449,290.79/129,946.03
  6. Step 6: Final answer
    x = 105,200.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.