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Finding the Fourth Proportional to 126,179.88, 189,240.64 and 37,411.98

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Solution

The fourth proportional to 126,179.88, 189,240.64 and 37,411.98 is: 56,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,179.88 : 189,240.64 = 37,411.98 : x
  2. Step 2: Convert to fraction form
    126,179.88/189,240.64 = 37,411.98/x
  3. Step 3: Cross multiply
    126,179.88x = 189,240.64 × 37,411.98
  4. Step 4: Simplify right side
    126,179.88x = 7,079,867,038.87
  5. Step 5: Solve for x
    x = 7,079,867,038.87/126,179.88
  6. Step 6: Final answer
    x = 56,109.32

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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.