Home / 127,091.73-175,393.89-76,806.93

Finding the Fourth Proportional to 127,091.73, 175,393.89 and 76,806.93

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Solution

The fourth proportional to 127,091.73, 175,393.89 and 76,806.93 is: 105,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,091.73 : 175,393.89 = 76,806.93 : x
  2. Step 2: Convert to fraction form
    127,091.73/175,393.89 = 76,806.93/x
  3. Step 3: Cross multiply
    127,091.73x = 175,393.89 × 76,806.93
  4. Step 4: Simplify right side
    127,091.73x = 13,471,466,231.66
  5. Step 5: Solve for x
    x = 13,471,466,231.66/127,091.73
  6. Step 6: Final answer
    x = 105,997.98

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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.