Home / 126,591.36-189,887.40-47,684.40

Finding the Fourth Proportional to 126,591.36, 189,887.40 and 47,684.40

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Solution

The fourth proportional to 126,591.36, 189,887.40 and 47,684.40 is: 71,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,591.36 : 189,887.40 = 47,684.40 : x
  2. Step 2: Convert to fraction form
    126,591.36/189,887.40 = 47,684.40/x
  3. Step 3: Cross multiply
    126,591.36x = 189,887.40 × 47,684.40
  4. Step 4: Simplify right side
    126,591.36x = 9,054,666,736.56
  5. Step 5: Solve for x
    x = 9,054,666,736.56/126,591.36
  6. Step 6: Final answer
    x = 71,526.74

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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.