Home / 126,875.80-175,107.24-73,150.30

Finding the Fourth Proportional to 126,875.80, 175,107.24 and 73,150.30

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Solution

The fourth proportional to 126,875.80, 175,107.24 and 73,150.30 is: 100,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,875.80 : 175,107.24 = 73,150.30 : x
  2. Step 2: Convert to fraction form
    126,875.80/175,107.24 = 73,150.30/x
  3. Step 3: Cross multiply
    126,875.80x = 175,107.24 × 73,150.30
  4. Step 4: Simplify right side
    126,875.80x = 12,809,147,138.17
  5. Step 5: Solve for x
    x = 12,809,147,138.17/126,875.80
  6. Step 6: Final answer
    x = 100,958.16

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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.