Home / 126,130.32-189,213.84-37,372.32

Finding the Fourth Proportional to 126,130.32, 189,213.84 and 37,372.32

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Solution

The fourth proportional to 126,130.32, 189,213.84 and 37,372.32 is: 56,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,130.32 : 189,213.84 = 37,372.32 : x
  2. Step 2: Convert to fraction form
    126,130.32/189,213.84 = 37,372.32/x
  3. Step 3: Cross multiply
    126,130.32x = 189,213.84 × 37,372.32
  4. Step 4: Simplify right side
    126,130.32x = 7,071,360,176.91
  5. Step 5: Solve for x
    x = 7,071,360,176.91/126,130.32
  6. Step 6: Final answer
    x = 56,063.92

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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.