Home / 103,618.14-155,427.18-41,332.38

Finding the Fourth Proportional to 103,618.14, 155,427.18 and 41,332.38

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Solution

The fourth proportional to 103,618.14, 155,427.18 and 41,332.38 is: 61,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,618.14 : 155,427.18 = 41,332.38 : x
  2. Step 2: Convert to fraction form
    103,618.14/155,427.18 = 41,332.38/x
  3. Step 3: Cross multiply
    103,618.14x = 155,427.18 × 41,332.38
  4. Step 4: Simplify right side
    103,618.14x = 6,424,175,266.09
  5. Step 5: Solve for x
    x = 6,424,175,266.09/103,618.14
  6. Step 6: Final answer
    x = 61,998.56

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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.