Home / 126,177.43-189,210.75-47,236.30

Finding the Fourth Proportional to 126,177.43, 189,210.75 and 47,236.30

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Solution

The fourth proportional to 126,177.43, 189,210.75 and 47,236.30 is: 70,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,177.43 : 189,210.75 = 47,236.30 : x
  2. Step 2: Convert to fraction form
    126,177.43/189,210.75 = 47,236.30/x
  3. Step 3: Cross multiply
    126,177.43x = 189,210.75 × 47,236.30
  4. Step 4: Simplify right side
    126,177.43x = 8,937,615,750.23
  5. Step 5: Solve for x
    x = 8,937,615,750.23/126,177.43
  6. Step 6: Final answer
    x = 70,833.71

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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.