Home / 127,054.18-175,331.82-72,608.86

Finding the Fourth Proportional to 127,054.18, 175,331.82 and 72,608.86

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Solution

The fourth proportional to 127,054.18, 175,331.82 and 72,608.86 is: 100,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,054.18 : 175,331.82 = 72,608.86 : x
  2. Step 2: Convert to fraction form
    127,054.18/175,331.82 = 72,608.86/x
  3. Step 3: Cross multiply
    127,054.18x = 175,331.82 × 72,608.86
  4. Step 4: Simplify right side
    127,054.18x = 12,730,643,571.93
  5. Step 5: Solve for x
    x = 12,730,643,571.93/127,054.18
  6. Step 6: Final answer
    x = 100,198.54

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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.