Home / 142,537.64-213,743.25-75,965.36

Finding the Fourth Proportional to 142,537.64, 213,743.25 and 75,965.36

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Solution

The fourth proportional to 142,537.64, 213,743.25 and 75,965.36 is: 113,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,537.64 : 213,743.25 = 75,965.36 : x
  2. Step 2: Convert to fraction form
    142,537.64/213,743.25 = 75,965.36/x
  3. Step 3: Cross multiply
    142,537.64x = 213,743.25 × 75,965.36
  4. Step 4: Simplify right side
    142,537.64x = 16,237,081,865.10
  5. Step 5: Solve for x
    x = 16,237,081,865.10/142,537.64
  6. Step 6: Final answer
    x = 113,914.35

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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.