Home / 126,086.76-189,157.82-37,347.21

Finding the Fourth Proportional to 126,086.76, 189,157.82 and 37,347.21

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Solution

The fourth proportional to 126,086.76, 189,157.82 and 37,347.21 is: 56,029.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,086.76 : 189,157.82 = 37,347.21 : x
  2. Step 2: Convert to fraction form
    126,086.76/189,157.82 = 37,347.21/x
  3. Step 3: Cross multiply
    126,086.76x = 189,157.82 × 37,347.21
  4. Step 4: Simplify right side
    126,086.76x = 7,064,516,639.95
  5. Step 5: Solve for x
    x = 7,064,516,639.95/126,086.76
  6. Step 6: Final answer
    x = 56,029.01

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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.