Home / 126,333.19-189,436.39-42,063.67

Finding the Fourth Proportional to 126,333.19, 189,436.39 and 42,063.67

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Solution

The fourth proportional to 126,333.19, 189,436.39 and 42,063.67 is: 63,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,333.19 : 189,436.39 = 42,063.67 : x
  2. Step 2: Convert to fraction form
    126,333.19/189,436.39 = 42,063.67/x
  3. Step 3: Cross multiply
    126,333.19x = 189,436.39 × 42,063.67
  4. Step 4: Simplify right side
    126,333.19x = 7,968,389,794.95
  5. Step 5: Solve for x
    x = 7,968,389,794.95/126,333.19
  6. Step 6: Final answer
    x = 63,074.40

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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.