Home / 106,450.20-146,920.14-64,011.60

Finding the Fourth Proportional to 106,450.20, 146,920.14 and 64,011.60

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Solution

The fourth proportional to 106,450.20, 146,920.14 and 64,011.60 is: 88,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,450.20 : 146,920.14 = 64,011.60 : x
  2. Step 2: Convert to fraction form
    106,450.20/146,920.14 = 64,011.60/x
  3. Step 3: Cross multiply
    106,450.20x = 146,920.14 × 64,011.60
  4. Step 4: Simplify right side
    106,450.20x = 9,404,593,233.62
  5. Step 5: Solve for x
    x = 9,404,593,233.62/106,450.20
  6. Step 6: Final answer
    x = 88,347.35

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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.