Home / 126,077.55-189,173.73-47,197.92

Finding the Fourth Proportional to 126,077.55, 189,173.73 and 47,197.92

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Solution

The fourth proportional to 126,077.55, 189,173.73 and 47,197.92 is: 70,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,077.55 : 189,173.73 = 47,197.92 : x
  2. Step 2: Convert to fraction form
    126,077.55/189,173.73 = 47,197.92/x
  3. Step 3: Cross multiply
    126,077.55x = 189,173.73 × 47,197.92
  4. Step 4: Simplify right side
    126,077.55x = 8,928,606,574.64
  5. Step 5: Solve for x
    x = 8,928,606,574.64/126,077.55
  6. Step 6: Final answer
    x = 70,818.37

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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.