Home / 126,960.32-175,216.56-81,746.32

Finding the Fourth Proportional to 126,960.32, 175,216.56 and 81,746.32

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Solution

The fourth proportional to 126,960.32, 175,216.56 and 81,746.32 is: 112,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,960.32 : 175,216.56 = 81,746.32 : x
  2. Step 2: Convert to fraction form
    126,960.32/175,216.56 = 81,746.32/x
  3. Step 3: Cross multiply
    126,960.32x = 175,216.56 × 81,746.32
  4. Step 4: Simplify right side
    126,960.32x = 14,323,308,983.06
  5. Step 5: Solve for x
    x = 14,323,308,983.06/126,960.32
  6. Step 6: Final answer
    x = 112,817.21

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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.