Home / 142,829.64-214,372.89-76,326.57

Finding the Fourth Proportional to 142,829.64, 214,372.89 and 76,326.57

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Solution

The fourth proportional to 142,829.64, 214,372.89 and 76,326.57 is: 114,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,829.64 : 214,372.89 = 76,326.57 : x
  2. Step 2: Convert to fraction form
    142,829.64/214,372.89 = 76,326.57/x
  3. Step 3: Cross multiply
    142,829.64x = 214,372.89 × 76,326.57
  4. Step 4: Simplify right side
    142,829.64x = 16,362,347,394.69
  5. Step 5: Solve for x
    x = 16,362,347,394.69/142,829.64
  6. Step 6: Final answer
    x = 114,558.49

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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.