Home / 137,180.20-189,300.96-75,923.06

Finding the Fourth Proportional to 137,180.20, 189,300.96 and 75,923.06

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Solution

The fourth proportional to 137,180.20, 189,300.96 and 75,923.06 is: 104,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,180.20 : 189,300.96 = 75,923.06 : x
  2. Step 2: Convert to fraction form
    137,180.20/189,300.96 = 75,923.06/x
  3. Step 3: Cross multiply
    137,180.20x = 189,300.96 × 75,923.06
  4. Step 4: Simplify right side
    137,180.20x = 14,372,308,144.14
  5. Step 5: Solve for x
    x = 14,372,308,144.14/137,180.20
  6. Step 6: Final answer
    x = 104,769.55

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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.