Home / 126,268.34-189,347.08-47,327.21

Finding the Fourth Proportional to 126,268.34, 189,347.08 and 47,327.21

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Solution

The fourth proportional to 126,268.34, 189,347.08 and 47,327.21 is: 70,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,268.34 : 189,347.08 = 47,327.21 : x
  2. Step 2: Convert to fraction form
    126,268.34/189,347.08 = 47,327.21/x
  3. Step 3: Cross multiply
    126,268.34x = 189,347.08 × 47,327.21
  4. Step 4: Simplify right side
    126,268.34x = 8,961,269,018.05
  5. Step 5: Solve for x
    x = 8,961,269,018.05/126,268.34
  6. Step 6: Final answer
    x = 70,970.04

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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.