Home / 102,435.42-141,310.62-68,452.28

Finding the Fourth Proportional to 102,435.42, 141,310.62 and 68,452.28

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Solution

The fourth proportional to 102,435.42, 141,310.62 and 68,452.28 is: 94,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,435.42 : 141,310.62 = 68,452.28 : x
  2. Step 2: Convert to fraction form
    102,435.42/141,310.62 = 68,452.28/x
  3. Step 3: Cross multiply
    102,435.42x = 141,310.62 × 68,452.28
  4. Step 4: Simplify right side
    102,435.42x = 9,673,033,420.66
  5. Step 5: Solve for x
    x = 9,673,033,420.66/102,435.42
  6. Step 6: Final answer
    x = 94,430.55

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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.