Home / 105,400.24-158,042-43,114.48

Finding the Fourth Proportional to 105,400.24, 158,042 and 43,114.48

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Solution

The fourth proportional to 105,400.24, 158,042 and 43,114.48 is: 64,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,400.24 : 158,042 = 43,114.48 : x
  2. Step 2: Convert to fraction form
    105,400.24/158,042 = 43,114.48/x
  3. Step 3: Cross multiply
    105,400.24x = 158,042 × 43,114.48
  4. Step 4: Simplify right side
    105,400.24x = 6,813,898,648.16
  5. Step 5: Solve for x
    x = 6,813,898,648.16/105,400.24
  6. Step 6: Final answer
    x = 64,647.85

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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.