Home / 105,824.24-146,039.84-58,080.64

Finding the Fourth Proportional to 105,824.24, 146,039.84 and 58,080.64

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Solution

The fourth proportional to 105,824.24, 146,039.84 and 58,080.64 is: 80,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,824.24 : 146,039.84 = 58,080.64 : x
  2. Step 2: Convert to fraction form
    105,824.24/146,039.84 = 58,080.64/x
  3. Step 3: Cross multiply
    105,824.24x = 146,039.84 × 58,080.64
  4. Step 4: Simplify right side
    105,824.24x = 8,482,087,372.70
  5. Step 5: Solve for x
    x = 8,482,087,372.70/105,824.24
  6. Step 6: Final answer
    x = 80,152.59

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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.