Home / 106,394.30-146,777.60-70,048.86

Finding the Fourth Proportional to 106,394.30, 146,777.60 and 70,048.86

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Solution

The fourth proportional to 106,394.30, 146,777.60 and 70,048.86 is: 96,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,394.30 : 146,777.60 = 70,048.86 : x
  2. Step 2: Convert to fraction form
    106,394.30/146,777.60 = 70,048.86/x
  3. Step 3: Cross multiply
    106,394.30x = 146,777.60 × 70,048.86
  4. Step 4: Simplify right side
    106,394.30x = 10,281,603,203.29
  5. Step 5: Solve for x
    x = 10,281,603,203.29/106,394.30
  6. Step 6: Final answer
    x = 96,636.79

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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.