Home / 90,495.17-135,788.03-40,610.93

Finding the Fourth Proportional to 90,495.17, 135,788.03 and 40,610.93

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Solution

The fourth proportional to 90,495.17, 135,788.03 and 40,610.93 is: 60,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,495.17 : 135,788.03 = 40,610.93 : x
  2. Step 2: Convert to fraction form
    90,495.17/135,788.03 = 40,610.93/x
  3. Step 3: Cross multiply
    90,495.17x = 135,788.03 × 40,610.93
  4. Step 4: Simplify right side
    90,495.17x = 5,514,478,181.17
  5. Step 5: Solve for x
    x = 5,514,478,181.17/90,495.17
  6. Step 6: Final answer
    x = 60,936.71

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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.