Home / 106,455.45-146,910.63-68,795.31

Finding the Fourth Proportional to 106,455.45, 146,910.63 and 68,795.31

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Solution

The fourth proportional to 106,455.45, 146,910.63 and 68,795.31 is: 94,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,455.45 : 146,910.63 = 68,795.31 : x
  2. Step 2: Convert to fraction form
    106,455.45/146,910.63 = 68,795.31/x
  3. Step 3: Cross multiply
    106,455.45x = 146,910.63 × 68,795.31
  4. Step 4: Simplify right side
    106,455.45x = 10,106,762,333.15
  5. Step 5: Solve for x
    x = 10,106,762,333.15/106,455.45
  6. Step 6: Final answer
    x = 94,938.89

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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.