Home / 126,280.89-174,196.98-80,255.61

Finding the Fourth Proportional to 126,280.89, 174,196.98 and 80,255.61

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Solution

The fourth proportional to 126,280.89, 174,196.98 and 80,255.61 is: 110,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,280.89 : 174,196.98 = 80,255.61 : x
  2. Step 2: Convert to fraction form
    126,280.89/174,196.98 = 80,255.61/x
  3. Step 3: Cross multiply
    126,280.89x = 174,196.98 × 80,255.61
  4. Step 4: Simplify right side
    126,280.89x = 13,980,284,890.06
  5. Step 5: Solve for x
    x = 13,980,284,890.06/126,280.89
  6. Step 6: Final answer
    x = 110,707.84

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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.