Home / 105,350.36-158,025.67-43,020.86

Finding the Fourth Proportional to 105,350.36, 158,025.67 and 43,020.86

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Solution

The fourth proportional to 105,350.36, 158,025.67 and 43,020.86 is: 64,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,350.36 : 158,025.67 = 43,020.86 : x
  2. Step 2: Convert to fraction form
    105,350.36/158,025.67 = 43,020.86/x
  3. Step 3: Cross multiply
    105,350.36x = 158,025.67 × 43,020.86
  4. Step 4: Simplify right side
    105,350.36x = 6,798,399,327.80
  5. Step 5: Solve for x
    x = 6,798,399,327.80/105,350.36
  6. Step 6: Final answer
    x = 64,531.34

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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.