Home / 127,074.73-175,370.40-76,789.93

Finding the Fourth Proportional to 127,074.73, 175,370.40 and 76,789.93

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Solution

The fourth proportional to 127,074.73, 175,370.40 and 76,789.93 is: 105,974.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,074.73 : 175,370.40 = 76,789.93 : x
  2. Step 2: Convert to fraction form
    127,074.73/175,370.40 = 76,789.93/x
  3. Step 3: Cross multiply
    127,074.73x = 175,370.40 × 76,789.93
  4. Step 4: Simplify right side
    127,074.73x = 13,466,680,740.07
  5. Step 5: Solve for x
    x = 13,466,680,740.07/127,074.73
  6. Step 6: Final answer
    x = 105,974.50

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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.