Home / 127,106.73-175,414.59-76,821.93

Finding the Fourth Proportional to 127,106.73, 175,414.59 and 76,821.93

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Solution

The fourth proportional to 127,106.73, 175,414.59 and 76,821.93 is: 106,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,106.73 : 175,414.59 = 76,821.93 : x
  2. Step 2: Convert to fraction form
    127,106.73/175,414.59 = 76,821.93/x
  3. Step 3: Cross multiply
    127,106.73x = 175,414.59 × 76,821.93
  4. Step 4: Simplify right side
    127,106.73x = 13,475,687,353.96
  5. Step 5: Solve for x
    x = 13,475,687,353.96/127,106.73
  6. Step 6: Final answer
    x = 106,018.68

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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.