Home / 142,795.80-214,004.70-76,092.30

Finding the Fourth Proportional to 142,795.80, 214,004.70 and 76,092.30

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Solution

The fourth proportional to 142,795.80, 214,004.70 and 76,092.30 is: 114,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,795.80 : 214,004.70 = 76,092.30 : x
  2. Step 2: Convert to fraction form
    142,795.80/214,004.70 = 76,092.30/x
  3. Step 3: Cross multiply
    142,795.80x = 214,004.70 × 76,092.30
  4. Step 4: Simplify right side
    142,795.80x = 16,284,109,833.81
  5. Step 5: Solve for x
    x = 16,284,109,833.81/142,795.80
  6. Step 6: Final answer
    x = 114,037.74

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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.