Home / 127,015.44-175,201.92-81,752.40

Finding the Fourth Proportional to 127,015.44, 175,201.92 and 81,752.40

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Solution

The fourth proportional to 127,015.44, 175,201.92 and 81,752.40 is: 112,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,015.44 : 175,201.92 = 81,752.40 : x
  2. Step 2: Convert to fraction form
    127,015.44/175,201.92 = 81,752.40/x
  3. Step 3: Cross multiply
    127,015.44x = 175,201.92 × 81,752.40
  4. Step 4: Simplify right side
    127,015.44x = 14,323,177,444.61
  5. Step 5: Solve for x
    x = 14,323,177,444.61/127,015.44
  6. Step 6: Final answer
    x = 112,767.22

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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.