Home / 95,131.28-142,710.02-31,969.46

Finding the Fourth Proportional to 95,131.28, 142,710.02 and 31,969.46

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Solution

The fourth proportional to 95,131.28, 142,710.02 and 31,969.46 is: 47,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,131.28 : 142,710.02 = 31,969.46 : x
  2. Step 2: Convert to fraction form
    95,131.28/142,710.02 = 31,969.46/x
  3. Step 3: Cross multiply
    95,131.28x = 142,710.02 × 31,969.46
  4. Step 4: Simplify right side
    95,131.28x = 4,562,361,402.59
  5. Step 5: Solve for x
    x = 4,562,361,402.59/95,131.28
  6. Step 6: Final answer
    x = 47,958.59

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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.