Home / 126,436.12-189,661.48-47,551.03

Finding the Fourth Proportional to 126,436.12, 189,661.48 and 47,551.03

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Solution

The fourth proportional to 126,436.12, 189,661.48 and 47,551.03 is: 71,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,436.12 : 189,661.48 = 47,551.03 : x
  2. Step 2: Convert to fraction form
    126,436.12/189,661.48 = 47,551.03/x
  3. Step 3: Cross multiply
    126,436.12x = 189,661.48 × 47,551.03
  4. Step 4: Simplify right side
    126,436.12x = 9,018,598,725.32
  5. Step 5: Solve for x
    x = 9,018,598,725.32/126,436.12
  6. Step 6: Final answer
    x = 71,329.29

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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.