Home / 126,230.85-174,181.30-72,515.84

Finding the Fourth Proportional to 126,230.85, 174,181.30 and 72,515.84

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Solution

The fourth proportional to 126,230.85, 174,181.30 and 72,515.84 is: 100,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,230.85 : 174,181.30 = 72,515.84 : x
  2. Step 2: Convert to fraction form
    126,230.85/174,181.30 = 72,515.84/x
  3. Step 3: Cross multiply
    126,230.85x = 174,181.30 × 72,515.84
  4. Step 4: Simplify right side
    126,230.85x = 12,630,902,229.60
  5. Step 5: Solve for x
    x = 12,630,902,229.60/126,230.85
  6. Step 6: Final answer
    x = 100,061.93

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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.