Home / 142,047.70-213,016.17-53,252.75

Finding the Fourth Proportional to 142,047.70, 213,016.17 and 53,252.75

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Solution

The fourth proportional to 142,047.70, 213,016.17 and 53,252.75 is: 79,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,047.70 : 213,016.17 = 53,252.75 : x
  2. Step 2: Convert to fraction form
    142,047.70/213,016.17 = 53,252.75/x
  3. Step 3: Cross multiply
    142,047.70x = 213,016.17 × 53,252.75
  4. Step 4: Simplify right side
    142,047.70x = 11,343,696,846.97
  5. Step 5: Solve for x
    x = 11,343,696,846.97/142,047.70
  6. Step 6: Final answer
    x = 79,858.36

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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.