Home / 106,442.22-146,884.73-66,155.12

Finding the Fourth Proportional to 106,442.22, 146,884.73 and 66,155.12

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Solution

The fourth proportional to 106,442.22, 146,884.73 and 66,155.12 is: 91,290.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,442.22 : 146,884.73 = 66,155.12 : x
  2. Step 2: Convert to fraction form
    106,442.22/146,884.73 = 66,155.12/x
  3. Step 3: Cross multiply
    106,442.22x = 146,884.73 × 66,155.12
  4. Step 4: Simplify right side
    106,442.22x = 9,717,175,874.12
  5. Step 5: Solve for x
    x = 9,717,175,874.12/106,442.22
  6. Step 6: Final answer
    x = 91,290.62

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1.5x scale

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.