Home / 126,815.58-175,005.16-73,100.30

Finding the Fourth Proportional to 126,815.58, 175,005.16 and 73,100.30

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Solution

The fourth proportional to 126,815.58, 175,005.16 and 73,100.30 is: 100,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,815.58 : 175,005.16 = 73,100.30 : x
  2. Step 2: Convert to fraction form
    126,815.58/175,005.16 = 73,100.30/x
  3. Step 3: Cross multiply
    126,815.58x = 175,005.16 × 73,100.30
  4. Step 4: Simplify right side
    126,815.58x = 12,792,928,639.77
  5. Step 5: Solve for x
    x = 12,792,928,639.77/126,815.58
  6. Step 6: Final answer
    x = 100,878.21

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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.