Home / 102,028.57-140,801.82-56,708.46

Finding the Fourth Proportional to 102,028.57, 140,801.82 and 56,708.46

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Solution

The fourth proportional to 102,028.57, 140,801.82 and 56,708.46 is: 78,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,028.57 : 140,801.82 = 56,708.46 : x
  2. Step 2: Convert to fraction form
    102,028.57/140,801.82 = 56,708.46/x
  3. Step 3: Cross multiply
    102,028.57x = 140,801.82 × 56,708.46
  4. Step 4: Simplify right side
    102,028.57x = 7,984,654,720.24
  5. Step 5: Solve for x
    x = 7,984,654,720.24/102,028.57
  6. Step 6: Final answer
    x = 78,259.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.