Home / 126,157.80-189,178.38-37,388.28

Finding the Fourth Proportional to 126,157.80, 189,178.38 and 37,388.28

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Solution

The fourth proportional to 126,157.80, 189,178.38 and 37,388.28 is: 56,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,157.80 : 189,178.38 = 37,388.28 : x
  2. Step 2: Convert to fraction form
    126,157.80/189,178.38 = 37,388.28/x
  3. Step 3: Cross multiply
    126,157.80x = 189,178.38 × 37,388.28
  4. Step 4: Simplify right side
    126,157.80x = 7,073,054,241.39
  5. Step 5: Solve for x
    x = 7,073,054,241.39/126,157.80
  6. Step 6: Final answer
    x = 56,065.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.