Home / 107,756.42-161,671.56-41,215.58

Finding the Fourth Proportional to 107,756.42, 161,671.56 and 41,215.58

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Solution

The fourth proportional to 107,756.42, 161,671.56 and 41,215.58 is: 61,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,756.42 : 161,671.56 = 41,215.58 : x
  2. Step 2: Convert to fraction form
    107,756.42/161,671.56 = 41,215.58/x
  3. Step 3: Cross multiply
    107,756.42x = 161,671.56 × 41,215.58
  4. Step 4: Simplify right side
    107,756.42x = 6,663,387,043.57
  5. Step 5: Solve for x
    x = 6,663,387,043.57/107,756.42
  6. Step 6: Final answer
    x = 61,837.49

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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.