Home / 106,120.64-146,397.48-63,605.36

Finding the Fourth Proportional to 106,120.64, 146,397.48 and 63,605.36

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Solution

The fourth proportional to 106,120.64, 146,397.48 and 63,605.36 is: 87,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,120.64 : 146,397.48 = 63,605.36 : x
  2. Step 2: Convert to fraction form
    106,120.64/146,397.48 = 63,605.36/x
  3. Step 3: Cross multiply
    106,120.64x = 146,397.48 × 63,605.36
  4. Step 4: Simplify right side
    106,120.64x = 9,311,664,418.49
  5. Step 5: Solve for x
    x = 9,311,664,418.49/106,120.64
  6. Step 6: Final answer
    x = 87,746.03

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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.