Home / 105,400.57-158,123.94-30,523.77

Finding the Fourth Proportional to 105,400.57, 158,123.94 and 30,523.77

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Solution

The fourth proportional to 105,400.57, 158,123.94 and 30,523.77 is: 45,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,400.57 : 158,123.94 = 30,523.77 : x
  2. Step 2: Convert to fraction form
    105,400.57/158,123.94 = 30,523.77/x
  3. Step 3: Cross multiply
    105,400.57x = 158,123.94 × 30,523.77
  4. Step 4: Simplify right side
    105,400.57x = 4,826,538,776.05
  5. Step 5: Solve for x
    x = 4,826,538,776.05/105,400.57
  6. Step 6: Final answer
    x = 45,792.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.