Home / 115,021.50-158,713.33-64,027.15

Finding the Fourth Proportional to 115,021.50, 158,713.33 and 64,027.15

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Solution

The fourth proportional to 115,021.50, 158,713.33 and 64,027.15 is: 88,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,021.50 : 158,713.33 = 64,027.15 : x
  2. Step 2: Convert to fraction form
    115,021.50/158,713.33 = 64,027.15/x
  3. Step 3: Cross multiply
    115,021.50x = 158,713.33 × 64,027.15
  4. Step 4: Simplify right side
    115,021.50x = 10,161,961,393.34
  5. Step 5: Solve for x
    x = 10,161,961,393.34/115,021.50
  6. Step 6: Final answer
    x = 88,348.37

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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.