Home / 102,160.33-140,982.56-56,225.26

Finding the Fourth Proportional to 102,160.33, 140,982.56 and 56,225.26

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Solution

The fourth proportional to 102,160.33, 140,982.56 and 56,225.26 is: 77,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,160.33 : 140,982.56 = 56,225.26 : x
  2. Step 2: Convert to fraction form
    102,160.33/140,982.56 = 56,225.26/x
  3. Step 3: Cross multiply
    102,160.33x = 140,982.56 × 56,225.26
  4. Step 4: Simplify right side
    102,160.33x = 7,926,781,091.47
  5. Step 5: Solve for x
    x = 7,926,781,091.47/102,160.33
  6. Step 6: Final answer
    x = 77,591.58

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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.