Home / 126,528.54-189,800.64-42,296.28

Finding the Fourth Proportional to 126,528.54, 189,800.64 and 42,296.28

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Solution

The fourth proportional to 126,528.54, 189,800.64 and 42,296.28 is: 63,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,528.54 : 189,800.64 = 42,296.28 : x
  2. Step 2: Convert to fraction form
    126,528.54/189,800.64 = 42,296.28/x
  3. Step 3: Cross multiply
    126,528.54x = 189,800.64 × 42,296.28
  4. Step 4: Simplify right side
    126,528.54x = 8,027,861,013.62
  5. Step 5: Solve for x
    x = 8,027,861,013.62/126,528.54
  6. Step 6: Final answer
    x = 63,447.04

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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.