Home / 106,400.34-146,842.83-79,496.16

Finding the Fourth Proportional to 106,400.34, 146,842.83 and 79,496.16

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Solution

The fourth proportional to 106,400.34, 146,842.83 and 79,496.16 is: 109,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,400.34 : 146,842.83 = 79,496.16 : x
  2. Step 2: Convert to fraction form
    106,400.34/146,842.83 = 79,496.16/x
  3. Step 3: Cross multiply
    106,400.34x = 146,842.83 × 79,496.16
  4. Step 4: Simplify right side
    106,400.34x = 11,673,441,108.53
  5. Step 5: Solve for x
    x = 11,673,441,108.53/106,400.34
  6. Step 6: Final answer
    x = 109,712.44

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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.