Home / 146,615.43-219,013.48-106,314.49

Finding the Fourth Proportional to 146,615.43, 219,013.48 and 106,314.49

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Solution

The fourth proportional to 146,615.43, 219,013.48 and 106,314.49 is: 158,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,615.43 : 219,013.48 = 106,314.49 : x
  2. Step 2: Convert to fraction form
    146,615.43/219,013.48 = 106,314.49/x
  3. Step 3: Cross multiply
    146,615.43x = 219,013.48 × 106,314.49
  4. Step 4: Simplify right side
    146,615.43x = 23,284,306,536.98
  5. Step 5: Solve for x
    x = 23,284,306,536.98/146,615.43
  6. Step 6: Final answer
    x = 158,812.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.