Home / 142,394.27-213,202.33-102,453.17

Finding the Fourth Proportional to 142,394.27, 213,202.33 and 102,453.17

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Solution

The fourth proportional to 142,394.27, 213,202.33 and 102,453.17 is: 153,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,394.27 : 213,202.33 = 102,453.17 : x
  2. Step 2: Convert to fraction form
    142,394.27/213,202.33 = 102,453.17/x
  3. Step 3: Cross multiply
    142,394.27x = 213,202.33 × 102,453.17
  4. Step 4: Simplify right side
    142,394.27x = 21,843,254,437.00
  5. Step 5: Solve for x
    x = 21,843,254,437.00/142,394.27
  6. Step 6: Final answer
    x = 153,399.81

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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.