Home / 92,221.76-126,998.03-80,116.72

Finding the Fourth Proportional to 92,221.76, 126,998.03 and 80,116.72

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Solution

The fourth proportional to 92,221.76, 126,998.03 and 80,116.72 is: 110,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,221.76 : 126,998.03 = 80,116.72 : x
  2. Step 2: Convert to fraction form
    92,221.76/126,998.03 = 80,116.72/x
  3. Step 3: Cross multiply
    92,221.76x = 126,998.03 × 80,116.72
  4. Step 4: Simplify right side
    92,221.76x = 10,174,664,975.07
  5. Step 5: Solve for x
    x = 10,174,664,975.07/92,221.76
  6. Step 6: Final answer
    x = 110,328.25

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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.