Home / 126,880.54-175,113.78-73,155.04

Finding the Fourth Proportional to 126,880.54, 175,113.78 and 73,155.04

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Solution

The fourth proportional to 126,880.54, 175,113.78 and 73,155.04 is: 100,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,880.54 : 175,113.78 = 73,155.04 : x
  2. Step 2: Convert to fraction form
    126,880.54/175,113.78 = 73,155.04/x
  3. Step 3: Cross multiply
    126,880.54x = 175,113.78 × 73,155.04
  4. Step 4: Simplify right side
    126,880.54x = 12,810,455,580.45
  5. Step 5: Solve for x
    x = 12,810,455,580.45/126,880.54
  6. Step 6: Final answer
    x = 100,964.70

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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.