Home / 126,323.54-189,504.75-42,054.80

Finding the Fourth Proportional to 126,323.54, 189,504.75 and 42,054.80

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Solution

The fourth proportional to 126,323.54, 189,504.75 and 42,054.80 is: 63,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,323.54 : 189,504.75 = 42,054.80 : x
  2. Step 2: Convert to fraction form
    126,323.54/189,504.75 = 42,054.80/x
  3. Step 3: Cross multiply
    126,323.54x = 189,504.75 × 42,054.80
  4. Step 4: Simplify right side
    126,323.54x = 7,969,584,360.30
  5. Step 5: Solve for x
    x = 7,969,584,360.30/126,323.54
  6. Step 6: Final answer
    x = 63,088.67

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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.