Home / 142,104.24-213,156.36-89,382.96

Finding the Fourth Proportional to 142,104.24, 213,156.36 and 89,382.96

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Solution

The fourth proportional to 142,104.24, 213,156.36 and 89,382.96 is: 134,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,104.24 : 213,156.36 = 89,382.96 : x
  2. Step 2: Convert to fraction form
    142,104.24/213,156.36 = 89,382.96/x
  3. Step 3: Cross multiply
    142,104.24x = 213,156.36 × 89,382.96
  4. Step 4: Simplify right side
    142,104.24x = 19,052,546,399.63
  5. Step 5: Solve for x
    x = 19,052,546,399.63/142,104.24
  6. Step 6: Final answer
    x = 134,074.44

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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.