Home / 106,178.32-146,540.10-68,561.92

Finding the Fourth Proportional to 106,178.32, 146,540.10 and 68,561.92

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Solution

The fourth proportional to 106,178.32, 146,540.10 and 68,561.92 is: 94,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,178.32 : 146,540.10 = 68,561.92 : x
  2. Step 2: Convert to fraction form
    106,178.32/146,540.10 = 68,561.92/x
  3. Step 3: Cross multiply
    106,178.32x = 146,540.10 × 68,561.92
  4. Step 4: Simplify right side
    106,178.32x = 10,047,070,612.99
  5. Step 5: Solve for x
    x = 10,047,070,612.99/106,178.32
  6. Step 6: Final answer
    x = 94,624.50

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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.