Home / 126,331.08-189,396.66-47,436.52

Finding the Fourth Proportional to 126,331.08, 189,396.66 and 47,436.52

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Solution

The fourth proportional to 126,331.08, 189,396.66 and 47,436.52 is: 71,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,331.08 : 189,396.66 = 47,436.52 : x
  2. Step 2: Convert to fraction form
    126,331.08/189,396.66 = 47,436.52/x
  3. Step 3: Cross multiply
    126,331.08x = 189,396.66 × 47,436.52
  4. Step 4: Simplify right side
    126,331.08x = 8,984,318,450.02
  5. Step 5: Solve for x
    x = 8,984,318,450.02/126,331.08
  6. Step 6: Final answer
    x = 71,117.25

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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.