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Finding the Fourth Proportional to 106,093.71, 146,383.62 and 67,317.42

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Solution

The fourth proportional to 106,093.71, 146,383.62 and 67,317.42 is: 92,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,093.71 : 146,383.62 = 67,317.42 : x
  2. Step 2: Convert to fraction form
    106,093.71/146,383.62 = 67,317.42/x
  3. Step 3: Cross multiply
    106,093.71x = 146,383.62 × 67,317.42
  4. Step 4: Simplify right side
    106,093.71x = 9,854,168,303.82
  5. Step 5: Solve for x
    x = 9,854,168,303.82/106,093.71
  6. Step 6: Final answer
    x = 92,881.74

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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.